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Re: Best method for extracting bolts with broken off heads...
Well, it must be time for a progress report...
First, I tried the torch, followed by an extractor. I managed to snap the extractor off in the bolt. *sigh* I think my neighbor jinxed me on that one, cuz he warned me about it. I was able to cut off the bolt and get the remains of the extractor out, so no real harm done, anyway. I followed that up with a titanium coated bit, to try drilling it out. I think I should have used a beefier (or better) bit, as the bit busted off inside. *sigh again* So I picked up some better and bigger bits, and went at it again tonight. First, I had to remove the front of the Jeep, so I could get my drill in there. Turns out to be pretty easy (4 bolts, hidden behind the turn signals, in case you need to know), although I'm a little nervous about getting everything lined up again (assuming I get to put it back together some time). Gives me lots more room to work, anyway. I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok with the threads. I'll have to wait and see on that one; the remains of the bolt showed just the very end threads to be touched by the drill bit.. But the top bolt is still stuck tight, and the real problem now is the broken drill bit in it is keeping me from drilling it out. I saw someone else with a stuck tap in this same thread, and the suggestion was a carbide bit, an A/C drill, and a case of beer (or something like that). I think I'll pass on the beer (too many memories of New Year's Eve), but I'll break out my old corded drill and pick up a few more bits to try drilling it out. Hey, at least I won ONE fight tonight. :) Clint "Clint" <cneufeld@mysocks.shaw.ca> wrote in message news:UJCkh.535564$R63.397938@pd7urf1no... > So I'm elbows-deep in pulling out my radiator and water pump from my '88 > Jeep Comanche (4.0l, if that matters), and as I figured was likely, two > bolt heads broke off. I've got pictures, if you care to see > (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). They're > broken off just under the head, so there's about 1/2" of threaded material > to grab, assuming that doesn't break off. > > What's the best method you've found to deal with these? Do any of them > work better than others? If I've got to drill a hole in them, how do you > get the hole started with an uneven surface like the broken off head? > Center-punch? That'll be fun to get in there with a hammer... > > So far, I figure I'm about 3 hours into the job, and I've got all the old > parts out. The old water pump actually looks like it's in good shaped > (vanes all there, looking pretty new), but it was leaking. There was no > sign of anything other than the paper gasket; should I be using the RTV > gasket gunk as well? Somehow, I've got to get into the block heater and > replace it as well. At least with the water pump out, I can see in there > a bit. > > Clint |
Re: Best method for extracting bolts with broken off heads...
Well, it must be time for a progress report...
First, I tried the torch, followed by an extractor. I managed to snap the extractor off in the bolt. *sigh* I think my neighbor jinxed me on that one, cuz he warned me about it. I was able to cut off the bolt and get the remains of the extractor out, so no real harm done, anyway. I followed that up with a titanium coated bit, to try drilling it out. I think I should have used a beefier (or better) bit, as the bit busted off inside. *sigh again* So I picked up some better and bigger bits, and went at it again tonight. First, I had to remove the front of the Jeep, so I could get my drill in there. Turns out to be pretty easy (4 bolts, hidden behind the turn signals, in case you need to know), although I'm a little nervous about getting everything lined up again (assuming I get to put it back together some time). Gives me lots more room to work, anyway. I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok with the threads. I'll have to wait and see on that one; the remains of the bolt showed just the very end threads to be touched by the drill bit.. But the top bolt is still stuck tight, and the real problem now is the broken drill bit in it is keeping me from drilling it out. I saw someone else with a stuck tap in this same thread, and the suggestion was a carbide bit, an A/C drill, and a case of beer (or something like that). I think I'll pass on the beer (too many memories of New Year's Eve), but I'll break out my old corded drill and pick up a few more bits to try drilling it out. Hey, at least I won ONE fight tonight. :) Clint "Clint" <cneufeld@mysocks.shaw.ca> wrote in message news:UJCkh.535564$R63.397938@pd7urf1no... > So I'm elbows-deep in pulling out my radiator and water pump from my '88 > Jeep Comanche (4.0l, if that matters), and as I figured was likely, two > bolt heads broke off. I've got pictures, if you care to see > (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). They're > broken off just under the head, so there's about 1/2" of threaded material > to grab, assuming that doesn't break off. > > What's the best method you've found to deal with these? Do any of them > work better than others? If I've got to drill a hole in them, how do you > get the hole started with an uneven surface like the broken off head? > Center-punch? That'll be fun to get in there with a hammer... > > So far, I figure I'm about 3 hours into the job, and I've got all the old > parts out. The old water pump actually looks like it's in good shaped > (vanes all there, looking pretty new), but it was leaking. There was no > sign of anything other than the paper gasket; should I be using the RTV > gasket gunk as well? Somehow, I've got to get into the block heater and > replace it as well. At least with the water pump out, I can see in there > a bit. > > Clint |
Re: Best method for extracting bolts with broken off heads...
Nice work on the one. You'll get the second one eventually.
Carl "Clint" <cneufeld@mysocks.shaw.ca> wrote in message news:ns%mh.557918$R63.81715@pd7urf1no... > Well, it must be time for a progress report... > > First, I tried the torch, followed by an extractor. I managed to snap the > extractor off in the bolt. *sigh* I think my neighbor jinxed me on that > one, cuz he warned me about it. > > I was able to cut off the bolt and get the remains of the extractor out, > so no real harm done, anyway. I followed that up with a titanium coated > bit, to try drilling it out. I think I should have used a beefier (or > better) bit, as the bit busted off inside. *sigh again* > > So I picked up some better and bigger bits, and went at it again tonight. > First, I had to remove the front of the Jeep, so I could get my drill in > there. Turns out to be pretty easy (4 bolts, hidden behind the turn > signals, in case you need to know), although I'm a little nervous about > getting everything lined up again (assuming I get to put it back together > some time). Gives me lots more room to work, anyway. > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > with the threads. I'll have to wait and see on that one; the remains of > the bolt showed just the very end threads to be touched by the drill bit.. > But the top bolt is still stuck tight, and the real problem now is the > broken drill bit in it is keeping me from drilling it out. > > I saw someone else with a stuck tap in this same thread, and the > suggestion was a carbide bit, an A/C drill, and a case of beer (or > something like that). I think I'll pass on the beer (too many memories of > New Year's Eve), but I'll break out my old corded drill and pick up a few > more bits to try drilling it out. > > Hey, at least I won ONE fight tonight. :) > > Clint > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > news:UJCkh.535564$R63.397938@pd7urf1no... >> So I'm elbows-deep in pulling out my radiator and water pump from my '88 >> Jeep Comanche (4.0l, if that matters), and as I figured was likely, two >> bolt heads broke off. I've got pictures, if you care to see >> (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). They're >> broken off just under the head, so there's about 1/2" of threaded >> material to grab, assuming that doesn't break off. >> >> What's the best method you've found to deal with these? Do any of them >> work better than others? If I've got to drill a hole in them, how do you >> get the hole started with an uneven surface like the broken off head? >> Center-punch? That'll be fun to get in there with a hammer... >> >> So far, I figure I'm about 3 hours into the job, and I've got all the old >> parts out. The old water pump actually looks like it's in good shaped >> (vanes all there, looking pretty new), but it was leaking. There was no >> sign of anything other than the paper gasket; should I be using the RTV >> gasket gunk as well? Somehow, I've got to get into the block heater and >> replace it as well. At least with the water pump out, I can see in there >> a bit. >> >> Clint > |
Re: Best method for extracting bolts with broken off heads...
Nice work on the one. You'll get the second one eventually.
Carl "Clint" <cneufeld@mysocks.shaw.ca> wrote in message news:ns%mh.557918$R63.81715@pd7urf1no... > Well, it must be time for a progress report... > > First, I tried the torch, followed by an extractor. I managed to snap the > extractor off in the bolt. *sigh* I think my neighbor jinxed me on that > one, cuz he warned me about it. > > I was able to cut off the bolt and get the remains of the extractor out, > so no real harm done, anyway. I followed that up with a titanium coated > bit, to try drilling it out. I think I should have used a beefier (or > better) bit, as the bit busted off inside. *sigh again* > > So I picked up some better and bigger bits, and went at it again tonight. > First, I had to remove the front of the Jeep, so I could get my drill in > there. Turns out to be pretty easy (4 bolts, hidden behind the turn > signals, in case you need to know), although I'm a little nervous about > getting everything lined up again (assuming I get to put it back together > some time). Gives me lots more room to work, anyway. > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > with the threads. I'll have to wait and see on that one; the remains of > the bolt showed just the very end threads to be touched by the drill bit.. > But the top bolt is still stuck tight, and the real problem now is the > broken drill bit in it is keeping me from drilling it out. > > I saw someone else with a stuck tap in this same thread, and the > suggestion was a carbide bit, an A/C drill, and a case of beer (or > something like that). I think I'll pass on the beer (too many memories of > New Year's Eve), but I'll break out my old corded drill and pick up a few > more bits to try drilling it out. > > Hey, at least I won ONE fight tonight. :) > > Clint > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > news:UJCkh.535564$R63.397938@pd7urf1no... >> So I'm elbows-deep in pulling out my radiator and water pump from my '88 >> Jeep Comanche (4.0l, if that matters), and as I figured was likely, two >> bolt heads broke off. I've got pictures, if you care to see >> (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). They're >> broken off just under the head, so there's about 1/2" of threaded >> material to grab, assuming that doesn't break off. >> >> What's the best method you've found to deal with these? Do any of them >> work better than others? If I've got to drill a hole in them, how do you >> get the hole started with an uneven surface like the broken off head? >> Center-punch? That'll be fun to get in there with a hammer... >> >> So far, I figure I'm about 3 hours into the job, and I've got all the old >> parts out. The old water pump actually looks like it's in good shaped >> (vanes all there, looking pretty new), but it was leaking. There was no >> sign of anything other than the paper gasket; should I be using the RTV >> gasket gunk as well? Somehow, I've got to get into the block heater and >> replace it as well. At least with the water pump out, I can see in there >> a bit. >> >> Clint > |
Re: Best method for extracting bolts with broken off heads...
Nice work on the one. You'll get the second one eventually.
Carl "Clint" <cneufeld@mysocks.shaw.ca> wrote in message news:ns%mh.557918$R63.81715@pd7urf1no... > Well, it must be time for a progress report... > > First, I tried the torch, followed by an extractor. I managed to snap the > extractor off in the bolt. *sigh* I think my neighbor jinxed me on that > one, cuz he warned me about it. > > I was able to cut off the bolt and get the remains of the extractor out, > so no real harm done, anyway. I followed that up with a titanium coated > bit, to try drilling it out. I think I should have used a beefier (or > better) bit, as the bit busted off inside. *sigh again* > > So I picked up some better and bigger bits, and went at it again tonight. > First, I had to remove the front of the Jeep, so I could get my drill in > there. Turns out to be pretty easy (4 bolts, hidden behind the turn > signals, in case you need to know), although I'm a little nervous about > getting everything lined up again (assuming I get to put it back together > some time). Gives me lots more room to work, anyway. > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > with the threads. I'll have to wait and see on that one; the remains of > the bolt showed just the very end threads to be touched by the drill bit.. > But the top bolt is still stuck tight, and the real problem now is the > broken drill bit in it is keeping me from drilling it out. > > I saw someone else with a stuck tap in this same thread, and the > suggestion was a carbide bit, an A/C drill, and a case of beer (or > something like that). I think I'll pass on the beer (too many memories of > New Year's Eve), but I'll break out my old corded drill and pick up a few > more bits to try drilling it out. > > Hey, at least I won ONE fight tonight. :) > > Clint > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > news:UJCkh.535564$R63.397938@pd7urf1no... >> So I'm elbows-deep in pulling out my radiator and water pump from my '88 >> Jeep Comanche (4.0l, if that matters), and as I figured was likely, two >> bolt heads broke off. I've got pictures, if you care to see >> (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). They're >> broken off just under the head, so there's about 1/2" of threaded >> material to grab, assuming that doesn't break off. >> >> What's the best method you've found to deal with these? Do any of them >> work better than others? If I've got to drill a hole in them, how do you >> get the hole started with an uneven surface like the broken off head? >> Center-punch? That'll be fun to get in there with a hammer... >> >> So far, I figure I'm about 3 hours into the job, and I've got all the old >> parts out. The old water pump actually looks like it's in good shaped >> (vanes all there, looking pretty new), but it was leaking. There was no >> sign of anything other than the paper gasket; should I be using the RTV >> gasket gunk as well? Somehow, I've got to get into the block heater and >> replace it as well. At least with the water pump out, I can see in there >> a bit. >> >> Clint > |
Re: Best method for extracting bolts with broken off heads...
You have my symapthies on the various broken drills and extractors. I
have done that enough times that my current strategy is to do the "best shot" the FIRST time. I know it is tempting to to try and work at an odd angle to avoid taking out too many related parts but it is usually a false start. good luck. Clint wrote: > Well, it must be time for a progress report... > > First, I tried the torch, followed by an extractor. I managed to snap > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on > that one, cuz he warned me about it. > > I was able to cut off the bolt and get the remains of the extractor out, > so no real harm done, anyway. I followed that up with a titanium coated > bit, to try drilling it out. I think I should have used a beefier (or > better) bit, as the bit busted off inside. *sigh again* > > So I picked up some better and bigger bits, and went at it again > tonight. First, I had to remove the front of the Jeep, so I could get my > drill in there. Turns out to be pretty easy (4 bolts, hidden behind the > turn signals, in case you need to know), although I'm a little nervous > about getting everything lined up again (assuming I get to put it back > together some time). Gives me lots more room to work, anyway. > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > with the threads. I'll have to wait and see on that one; the remains of > the bolt showed just the very end threads to be touched by the drill > bit.. But the top bolt is still stuck tight, and the real problem now > is the broken drill bit in it is keeping me from drilling it out. > > I saw someone else with a stuck tap in this same thread, and the > suggestion was a carbide bit, an A/C drill, and a case of beer (or > something like that). I think I'll pass on the beer (too many memories > of New Year's Eve), but I'll break out my old corded drill and pick up a > few more bits to try drilling it out. > > Hey, at least I won ONE fight tonight. :) > > Clint > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > news:UJCkh.535564$R63.397938@pd7urf1no... > >> So I'm elbows-deep in pulling out my radiator and water pump from my >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was >> likely, two bolt heads broke off. I've got pictures, if you care to >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). >> They're broken off just under the head, so there's about 1/2" of >> threaded material to grab, assuming that doesn't break off. >> >> What's the best method you've found to deal with these? Do any of >> them work better than others? If I've got to drill a hole in them, >> how do you get the hole started with an uneven surface like the broken >> off head? Center-punch? That'll be fun to get in there with a hammer... >> >> So far, I figure I'm about 3 hours into the job, and I've got all the >> old parts out. The old water pump actually looks like it's in good >> shaped (vanes all there, looking pretty new), but it was leaking. >> There was no sign of anything other than the paper gasket; should I be >> using the RTV gasket gunk as well? Somehow, I've got to get into the >> block heater and replace it as well. At least with the water pump >> out, I can see in there a bit. >> >> Clint > > |
Re: Best method for extracting bolts with broken off heads...
You have my symapthies on the various broken drills and extractors. I
have done that enough times that my current strategy is to do the "best shot" the FIRST time. I know it is tempting to to try and work at an odd angle to avoid taking out too many related parts but it is usually a false start. good luck. Clint wrote: > Well, it must be time for a progress report... > > First, I tried the torch, followed by an extractor. I managed to snap > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on > that one, cuz he warned me about it. > > I was able to cut off the bolt and get the remains of the extractor out, > so no real harm done, anyway. I followed that up with a titanium coated > bit, to try drilling it out. I think I should have used a beefier (or > better) bit, as the bit busted off inside. *sigh again* > > So I picked up some better and bigger bits, and went at it again > tonight. First, I had to remove the front of the Jeep, so I could get my > drill in there. Turns out to be pretty easy (4 bolts, hidden behind the > turn signals, in case you need to know), although I'm a little nervous > about getting everything lined up again (assuming I get to put it back > together some time). Gives me lots more room to work, anyway. > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > with the threads. I'll have to wait and see on that one; the remains of > the bolt showed just the very end threads to be touched by the drill > bit.. But the top bolt is still stuck tight, and the real problem now > is the broken drill bit in it is keeping me from drilling it out. > > I saw someone else with a stuck tap in this same thread, and the > suggestion was a carbide bit, an A/C drill, and a case of beer (or > something like that). I think I'll pass on the beer (too many memories > of New Year's Eve), but I'll break out my old corded drill and pick up a > few more bits to try drilling it out. > > Hey, at least I won ONE fight tonight. :) > > Clint > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > news:UJCkh.535564$R63.397938@pd7urf1no... > >> So I'm elbows-deep in pulling out my radiator and water pump from my >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was >> likely, two bolt heads broke off. I've got pictures, if you care to >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). >> They're broken off just under the head, so there's about 1/2" of >> threaded material to grab, assuming that doesn't break off. >> >> What's the best method you've found to deal with these? Do any of >> them work better than others? If I've got to drill a hole in them, >> how do you get the hole started with an uneven surface like the broken >> off head? Center-punch? That'll be fun to get in there with a hammer... >> >> So far, I figure I'm about 3 hours into the job, and I've got all the >> old parts out. The old water pump actually looks like it's in good >> shaped (vanes all there, looking pretty new), but it was leaking. >> There was no sign of anything other than the paper gasket; should I be >> using the RTV gasket gunk as well? Somehow, I've got to get into the >> block heater and replace it as well. At least with the water pump >> out, I can see in there a bit. >> >> Clint > > |
Re: Best method for extracting bolts with broken off heads...
You have my symapthies on the various broken drills and extractors. I
have done that enough times that my current strategy is to do the "best shot" the FIRST time. I know it is tempting to to try and work at an odd angle to avoid taking out too many related parts but it is usually a false start. good luck. Clint wrote: > Well, it must be time for a progress report... > > First, I tried the torch, followed by an extractor. I managed to snap > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on > that one, cuz he warned me about it. > > I was able to cut off the bolt and get the remains of the extractor out, > so no real harm done, anyway. I followed that up with a titanium coated > bit, to try drilling it out. I think I should have used a beefier (or > better) bit, as the bit busted off inside. *sigh again* > > So I picked up some better and bigger bits, and went at it again > tonight. First, I had to remove the front of the Jeep, so I could get my > drill in there. Turns out to be pretty easy (4 bolts, hidden behind the > turn signals, in case you need to know), although I'm a little nervous > about getting everything lined up again (assuming I get to put it back > together some time). Gives me lots more room to work, anyway. > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > with the threads. I'll have to wait and see on that one; the remains of > the bolt showed just the very end threads to be touched by the drill > bit.. But the top bolt is still stuck tight, and the real problem now > is the broken drill bit in it is keeping me from drilling it out. > > I saw someone else with a stuck tap in this same thread, and the > suggestion was a carbide bit, an A/C drill, and a case of beer (or > something like that). I think I'll pass on the beer (too many memories > of New Year's Eve), but I'll break out my old corded drill and pick up a > few more bits to try drilling it out. > > Hey, at least I won ONE fight tonight. :) > > Clint > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > news:UJCkh.535564$R63.397938@pd7urf1no... > >> So I'm elbows-deep in pulling out my radiator and water pump from my >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was >> likely, two bolt heads broke off. I've got pictures, if you care to >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). >> They're broken off just under the head, so there's about 1/2" of >> threaded material to grab, assuming that doesn't break off. >> >> What's the best method you've found to deal with these? Do any of >> them work better than others? If I've got to drill a hole in them, >> how do you get the hole started with an uneven surface like the broken >> off head? Center-punch? That'll be fun to get in there with a hammer... >> >> So far, I figure I'm about 3 hours into the job, and I've got all the >> old parts out. The old water pump actually looks like it's in good >> shaped (vanes all there, looking pretty new), but it was leaking. >> There was no sign of anything other than the paper gasket; should I be >> using the RTV gasket gunk as well? Somehow, I've got to get into the >> block heater and replace it as well. At least with the water pump >> out, I can see in there a bit. >> >> Clint > > |
Re: Best method for extracting bolts with broken off heads...
I am surprised no one has suggested he gets it blown out with a torch...
I know folks that swear they can blow the steel bolts out of the cast with a cutting torch without damaging the threads in the cast. Just a though..... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) RoyJ wrote: > > You have my symapthies on the various broken drills and extractors. I > have done that enough times that my current strategy is to do the "best > shot" the FIRST time. I know it is tempting to to try and work at an odd > angle to avoid taking out too many related parts but it is usually a > false start. > > good luck. > > Clint wrote: > > Well, it must be time for a progress report... > > > > First, I tried the torch, followed by an extractor. I managed to snap > > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on > > that one, cuz he warned me about it. > > > > I was able to cut off the bolt and get the remains of the extractor out, > > so no real harm done, anyway. I followed that up with a titanium coated > > bit, to try drilling it out. I think I should have used a beefier (or > > better) bit, as the bit busted off inside. *sigh again* > > > > So I picked up some better and bigger bits, and went at it again > > tonight. First, I had to remove the front of the Jeep, so I could get my > > drill in there. Turns out to be pretty easy (4 bolts, hidden behind the > > turn signals, in case you need to know), although I'm a little nervous > > about getting everything lined up again (assuming I get to put it back > > together some time). Gives me lots more room to work, anyway. > > > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > > with the threads. I'll have to wait and see on that one; the remains of > > the bolt showed just the very end threads to be touched by the drill > > bit.. But the top bolt is still stuck tight, and the real problem now > > is the broken drill bit in it is keeping me from drilling it out. > > > > I saw someone else with a stuck tap in this same thread, and the > > suggestion was a carbide bit, an A/C drill, and a case of beer (or > > something like that). I think I'll pass on the beer (too many memories > > of New Year's Eve), but I'll break out my old corded drill and pick up a > > few more bits to try drilling it out. > > > > Hey, at least I won ONE fight tonight. :) > > > > Clint > > > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > > news:UJCkh.535564$R63.397938@pd7urf1no... > > > >> So I'm elbows-deep in pulling out my radiator and water pump from my > >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was > >> likely, two bolt heads broke off. I've got pictures, if you care to > >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). > >> They're broken off just under the head, so there's about 1/2" of > >> threaded material to grab, assuming that doesn't break off. > >> > >> What's the best method you've found to deal with these? Do any of > >> them work better than others? If I've got to drill a hole in them, > >> how do you get the hole started with an uneven surface like the broken > >> off head? Center-punch? That'll be fun to get in there with a hammer... > >> > >> So far, I figure I'm about 3 hours into the job, and I've got all the > >> old parts out. The old water pump actually looks like it's in good > >> shaped (vanes all there, looking pretty new), but it was leaking. > >> There was no sign of anything other than the paper gasket; should I be > >> using the RTV gasket gunk as well? Somehow, I've got to get into the > >> block heater and replace it as well. At least with the water pump > >> out, I can see in there a bit. > >> > >> Clint > > > > |
Re: Best method for extracting bolts with broken off heads...
I am surprised no one has suggested he gets it blown out with a torch...
I know folks that swear they can blow the steel bolts out of the cast with a cutting torch without damaging the threads in the cast. Just a though..... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) RoyJ wrote: > > You have my symapthies on the various broken drills and extractors. I > have done that enough times that my current strategy is to do the "best > shot" the FIRST time. I know it is tempting to to try and work at an odd > angle to avoid taking out too many related parts but it is usually a > false start. > > good luck. > > Clint wrote: > > Well, it must be time for a progress report... > > > > First, I tried the torch, followed by an extractor. I managed to snap > > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on > > that one, cuz he warned me about it. > > > > I was able to cut off the bolt and get the remains of the extractor out, > > so no real harm done, anyway. I followed that up with a titanium coated > > bit, to try drilling it out. I think I should have used a beefier (or > > better) bit, as the bit busted off inside. *sigh again* > > > > So I picked up some better and bigger bits, and went at it again > > tonight. First, I had to remove the front of the Jeep, so I could get my > > drill in there. Turns out to be pretty easy (4 bolts, hidden behind the > > turn signals, in case you need to know), although I'm a little nervous > > about getting everything lined up again (assuming I get to put it back > > together some time). Gives me lots more room to work, anyway. > > > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > > with the threads. I'll have to wait and see on that one; the remains of > > the bolt showed just the very end threads to be touched by the drill > > bit.. But the top bolt is still stuck tight, and the real problem now > > is the broken drill bit in it is keeping me from drilling it out. > > > > I saw someone else with a stuck tap in this same thread, and the > > suggestion was a carbide bit, an A/C drill, and a case of beer (or > > something like that). I think I'll pass on the beer (too many memories > > of New Year's Eve), but I'll break out my old corded drill and pick up a > > few more bits to try drilling it out. > > > > Hey, at least I won ONE fight tonight. :) > > > > Clint > > > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > > news:UJCkh.535564$R63.397938@pd7urf1no... > > > >> So I'm elbows-deep in pulling out my radiator and water pump from my > >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was > >> likely, two bolt heads broke off. I've got pictures, if you care to > >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). > >> They're broken off just under the head, so there's about 1/2" of > >> threaded material to grab, assuming that doesn't break off. > >> > >> What's the best method you've found to deal with these? Do any of > >> them work better than others? If I've got to drill a hole in them, > >> how do you get the hole started with an uneven surface like the broken > >> off head? Center-punch? That'll be fun to get in there with a hammer... > >> > >> So far, I figure I'm about 3 hours into the job, and I've got all the > >> old parts out. The old water pump actually looks like it's in good > >> shaped (vanes all there, looking pretty new), but it was leaking. > >> There was no sign of anything other than the paper gasket; should I be > >> using the RTV gasket gunk as well? Somehow, I've got to get into the > >> block heater and replace it as well. At least with the water pump > >> out, I can see in there a bit. > >> > >> Clint > > > > |
Re: Best method for extracting bolts with broken off heads...
I am surprised no one has suggested he gets it blown out with a torch...
I know folks that swear they can blow the steel bolts out of the cast with a cutting torch without damaging the threads in the cast. Just a though..... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) RoyJ wrote: > > You have my symapthies on the various broken drills and extractors. I > have done that enough times that my current strategy is to do the "best > shot" the FIRST time. I know it is tempting to to try and work at an odd > angle to avoid taking out too many related parts but it is usually a > false start. > > good luck. > > Clint wrote: > > Well, it must be time for a progress report... > > > > First, I tried the torch, followed by an extractor. I managed to snap > > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on > > that one, cuz he warned me about it. > > > > I was able to cut off the bolt and get the remains of the extractor out, > > so no real harm done, anyway. I followed that up with a titanium coated > > bit, to try drilling it out. I think I should have used a beefier (or > > better) bit, as the bit busted off inside. *sigh again* > > > > So I picked up some better and bigger bits, and went at it again > > tonight. First, I had to remove the front of the Jeep, so I could get my > > drill in there. Turns out to be pretty easy (4 bolts, hidden behind the > > turn signals, in case you need to know), although I'm a little nervous > > about getting everything lined up again (assuming I get to put it back > > together some time). Gives me lots more room to work, anyway. > > > > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok > > with the threads. I'll have to wait and see on that one; the remains of > > the bolt showed just the very end threads to be touched by the drill > > bit.. But the top bolt is still stuck tight, and the real problem now > > is the broken drill bit in it is keeping me from drilling it out. > > > > I saw someone else with a stuck tap in this same thread, and the > > suggestion was a carbide bit, an A/C drill, and a case of beer (or > > something like that). I think I'll pass on the beer (too many memories > > of New Year's Eve), but I'll break out my old corded drill and pick up a > > few more bits to try drilling it out. > > > > Hey, at least I won ONE fight tonight. :) > > > > Clint > > > > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message > > news:UJCkh.535564$R63.397938@pd7urf1no... > > > >> So I'm elbows-deep in pulling out my radiator and water pump from my > >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was > >> likely, two bolt heads broke off. I've got pictures, if you care to > >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). > >> They're broken off just under the head, so there's about 1/2" of > >> threaded material to grab, assuming that doesn't break off. > >> > >> What's the best method you've found to deal with these? Do any of > >> them work better than others? If I've got to drill a hole in them, > >> how do you get the hole started with an uneven surface like the broken > >> off head? Center-punch? That'll be fun to get in there with a hammer... > >> > >> So far, I figure I'm about 3 hours into the job, and I've got all the > >> old parts out. The old water pump actually looks like it's in good > >> shaped (vanes all there, looking pretty new), but it was leaking. > >> There was no sign of anything other than the paper gasket; should I be > >> using the RTV gasket gunk as well? Somehow, I've got to get into the > >> block heater and replace it as well. At least with the water pump > >> out, I can see in there a bit. > >> > >> Clint > > > > |
Re: Best method for extracting bolts with broken off heads...
If he has access to a welder I've had good luck if there is enough bolt
sticking I just weld a nut on, between the heat from the weld and the nut head they come easy. "Mike Romain" <romainm@sympatico.ca> wrote in message news:459D3B6A.3AE27867@sympatico.ca... >I am surprised no one has suggested he gets it blown out with a torch... > > I know folks that swear they can blow the steel bolts out of the cast > with a cutting torch without damaging the threads in the cast. > > Just a though..... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > RoyJ wrote: >> >> You have my symapthies on the various broken drills and extractors. I >> have done that enough times that my current strategy is to do the "best >> shot" the FIRST time. I know it is tempting to to try and work at an odd >> angle to avoid taking out too many related parts but it is usually a >> false start. >> >> good luck. >> >> Clint wrote: >> > Well, it must be time for a progress report... >> > >> > First, I tried the torch, followed by an extractor. I managed to snap >> > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on >> > that one, cuz he warned me about it. >> > >> > I was able to cut off the bolt and get the remains of the extractor >> > out, >> > so no real harm done, anyway. I followed that up with a titanium >> > coated >> > bit, to try drilling it out. I think I should have used a beefier (or >> > better) bit, as the bit busted off inside. *sigh again* >> > >> > So I picked up some better and bigger bits, and went at it again >> > tonight. First, I had to remove the front of the Jeep, so I could get >> > my >> > drill in there. Turns out to be pretty easy (4 bolts, hidden behind >> > the >> > turn signals, in case you need to know), although I'm a little nervous >> > about getting everything lined up again (assuming I get to put it back >> > together some time). Gives me lots more room to work, anyway. >> > >> > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok >> > with the threads. I'll have to wait and see on that one; the remains >> > of >> > the bolt showed just the very end threads to be touched by the drill >> > bit.. But the top bolt is still stuck tight, and the real problem now >> > is the broken drill bit in it is keeping me from drilling it out. >> > >> > I saw someone else with a stuck tap in this same thread, and the >> > suggestion was a carbide bit, an A/C drill, and a case of beer (or >> > something like that). I think I'll pass on the beer (too many memories >> > of New Year's Eve), but I'll break out my old corded drill and pick up >> > a >> > few more bits to try drilling it out. >> > >> > Hey, at least I won ONE fight tonight. :) >> > >> > Clint >> > >> > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message >> > news:UJCkh.535564$R63.397938@pd7urf1no... >> > >> >> So I'm elbows-deep in pulling out my radiator and water pump from my >> >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was >> >> likely, two bolt heads broke off. I've got pictures, if you care to >> >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). >> >> They're broken off just under the head, so there's about 1/2" of >> >> threaded material to grab, assuming that doesn't break off. >> >> >> >> What's the best method you've found to deal with these? Do any of >> >> them work better than others? If I've got to drill a hole in them, >> >> how do you get the hole started with an uneven surface like the broken >> >> off head? Center-punch? That'll be fun to get in there with a >> >> hammer... >> >> >> >> So far, I figure I'm about 3 hours into the job, and I've got all the >> >> old parts out. The old water pump actually looks like it's in good >> >> shaped (vanes all there, looking pretty new), but it was leaking. >> >> There was no sign of anything other than the paper gasket; should I be >> >> using the RTV gasket gunk as well? Somehow, I've got to get into the >> >> block heater and replace it as well. At least with the water pump >> >> out, I can see in there a bit. >> >> >> >> Clint >> > >> > |
Re: Best method for extracting bolts with broken off heads...
If he has access to a welder I've had good luck if there is enough bolt
sticking I just weld a nut on, between the heat from the weld and the nut head they come easy. "Mike Romain" <romainm@sympatico.ca> wrote in message news:459D3B6A.3AE27867@sympatico.ca... >I am surprised no one has suggested he gets it blown out with a torch... > > I know folks that swear they can blow the steel bolts out of the cast > with a cutting torch without damaging the threads in the cast. > > Just a though..... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > RoyJ wrote: >> >> You have my symapthies on the various broken drills and extractors. I >> have done that enough times that my current strategy is to do the "best >> shot" the FIRST time. I know it is tempting to to try and work at an odd >> angle to avoid taking out too many related parts but it is usually a >> false start. >> >> good luck. >> >> Clint wrote: >> > Well, it must be time for a progress report... >> > >> > First, I tried the torch, followed by an extractor. I managed to snap >> > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on >> > that one, cuz he warned me about it. >> > >> > I was able to cut off the bolt and get the remains of the extractor >> > out, >> > so no real harm done, anyway. I followed that up with a titanium >> > coated >> > bit, to try drilling it out. I think I should have used a beefier (or >> > better) bit, as the bit busted off inside. *sigh again* >> > >> > So I picked up some better and bigger bits, and went at it again >> > tonight. First, I had to remove the front of the Jeep, so I could get >> > my >> > drill in there. Turns out to be pretty easy (4 bolts, hidden behind >> > the >> > turn signals, in case you need to know), although I'm a little nervous >> > about getting everything lined up again (assuming I get to put it back >> > together some time). Gives me lots more room to work, anyway. >> > >> > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok >> > with the threads. I'll have to wait and see on that one; the remains >> > of >> > the bolt showed just the very end threads to be touched by the drill >> > bit.. But the top bolt is still stuck tight, and the real problem now >> > is the broken drill bit in it is keeping me from drilling it out. >> > >> > I saw someone else with a stuck tap in this same thread, and the >> > suggestion was a carbide bit, an A/C drill, and a case of beer (or >> > something like that). I think I'll pass on the beer (too many memories >> > of New Year's Eve), but I'll break out my old corded drill and pick up >> > a >> > few more bits to try drilling it out. >> > >> > Hey, at least I won ONE fight tonight. :) >> > >> > Clint >> > >> > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message >> > news:UJCkh.535564$R63.397938@pd7urf1no... >> > >> >> So I'm elbows-deep in pulling out my radiator and water pump from my >> >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was >> >> likely, two bolt heads broke off. I've got pictures, if you care to >> >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). >> >> They're broken off just under the head, so there's about 1/2" of >> >> threaded material to grab, assuming that doesn't break off. >> >> >> >> What's the best method you've found to deal with these? Do any of >> >> them work better than others? If I've got to drill a hole in them, >> >> how do you get the hole started with an uneven surface like the broken >> >> off head? Center-punch? That'll be fun to get in there with a >> >> hammer... >> >> >> >> So far, I figure I'm about 3 hours into the job, and I've got all the >> >> old parts out. The old water pump actually looks like it's in good >> >> shaped (vanes all there, looking pretty new), but it was leaking. >> >> There was no sign of anything other than the paper gasket; should I be >> >> using the RTV gasket gunk as well? Somehow, I've got to get into the >> >> block heater and replace it as well. At least with the water pump >> >> out, I can see in there a bit. >> >> >> >> Clint >> > >> > |
Re: Best method for extracting bolts with broken off heads...
If he has access to a welder I've had good luck if there is enough bolt
sticking I just weld a nut on, between the heat from the weld and the nut head they come easy. "Mike Romain" <romainm@sympatico.ca> wrote in message news:459D3B6A.3AE27867@sympatico.ca... >I am surprised no one has suggested he gets it blown out with a torch... > > I know folks that swear they can blow the steel bolts out of the cast > with a cutting torch without damaging the threads in the cast. > > Just a though..... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > RoyJ wrote: >> >> You have my symapthies on the various broken drills and extractors. I >> have done that enough times that my current strategy is to do the "best >> shot" the FIRST time. I know it is tempting to to try and work at an odd >> angle to avoid taking out too many related parts but it is usually a >> false start. >> >> good luck. >> >> Clint wrote: >> > Well, it must be time for a progress report... >> > >> > First, I tried the torch, followed by an extractor. I managed to snap >> > the extractor off in the bolt. *sigh* I think my neighbor jinxed me on >> > that one, cuz he warned me about it. >> > >> > I was able to cut off the bolt and get the remains of the extractor >> > out, >> > so no real harm done, anyway. I followed that up with a titanium >> > coated >> > bit, to try drilling it out. I think I should have used a beefier (or >> > better) bit, as the bit busted off inside. *sigh again* >> > >> > So I picked up some better and bigger bits, and went at it again >> > tonight. First, I had to remove the front of the Jeep, so I could get >> > my >> > drill in there. Turns out to be pretty easy (4 bolts, hidden behind >> > the >> > turn signals, in case you need to know), although I'm a little nervous >> > about getting everything lined up again (assuming I get to put it back >> > together some time). Gives me lots more room to work, anyway. >> > >> > I got the bottom bolt drilled out pretty quick, and I THINK I'll be ok >> > with the threads. I'll have to wait and see on that one; the remains >> > of >> > the bolt showed just the very end threads to be touched by the drill >> > bit.. But the top bolt is still stuck tight, and the real problem now >> > is the broken drill bit in it is keeping me from drilling it out. >> > >> > I saw someone else with a stuck tap in this same thread, and the >> > suggestion was a carbide bit, an A/C drill, and a case of beer (or >> > something like that). I think I'll pass on the beer (too many memories >> > of New Year's Eve), but I'll break out my old corded drill and pick up >> > a >> > few more bits to try drilling it out. >> > >> > Hey, at least I won ONE fight tonight. :) >> > >> > Clint >> > >> > "Clint" <cneufeld@mysocks.shaw.ca> wrote in message >> > news:UJCkh.535564$R63.397938@pd7urf1no... >> > >> >> So I'm elbows-deep in pulling out my radiator and water pump from my >> >> '88 Jeep Comanche (4.0l, if that matters), and as I figured was >> >> likely, two bolt heads broke off. I've got pictures, if you care to >> >> see (http://members.shaw.ca/cneufeld/Imag...ck005Small.jpg). >> >> They're broken off just under the head, so there's about 1/2" of >> >> threaded material to grab, assuming that doesn't break off. >> >> >> >> What's the best method you've found to deal with these? Do any of >> >> them work better than others? If I've got to drill a hole in them, >> >> how do you get the hole started with an uneven surface like the broken >> >> off head? Center-punch? That'll be fun to get in there with a >> >> hammer... >> >> >> >> So far, I figure I'm about 3 hours into the job, and I've got all the >> >> old parts out. The old water pump actually looks like it's in good >> >> shaped (vanes all there, looking pretty new), but it was leaking. >> >> There was no sign of anything other than the paper gasket; should I be >> >> using the RTV gasket gunk as well? Somehow, I've got to get into the >> >> block heater and replace it as well. At least with the water pump >> >> out, I can see in there a bit. >> >> >> >> Clint >> > >> > |
Re: Best method for extracting bolts with broken off heads...
Hi Mike,
Yup, I've had a head bolt blown out while the head was on the flat head, and didn't even need a thread chaser. God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ "Mike Romain" <romainm@sympatico.ca> wrote in message news:459D3B6A.3AE27867@sympatico.ca... > I am surprised no one has suggested he gets it blown out with a torch... > > I know folks that swear they can blow the steel bolts out of the cast > with a cutting torch without damaging the threads in the cast. > > Just a though..... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) -- Posted via a free Usenet account from http://www.teranews.com |
Re: Best method for extracting bolts with broken off heads...
Hi Mike,
Yup, I've had a head bolt blown out while the head was on the flat head, and didn't even need a thread chaser. God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ "Mike Romain" <romainm@sympatico.ca> wrote in message news:459D3B6A.3AE27867@sympatico.ca... > I am surprised no one has suggested he gets it blown out with a torch... > > I know folks that swear they can blow the steel bolts out of the cast > with a cutting torch without damaging the threads in the cast. > > Just a though..... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) -- Posted via a free Usenet account from http://www.teranews.com |
Re: Best method for extracting bolts with broken off heads...
Hi Mike,
Yup, I've had a head bolt blown out while the head was on the flat head, and didn't even need a thread chaser. God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ "Mike Romain" <romainm@sympatico.ca> wrote in message news:459D3B6A.3AE27867@sympatico.ca... > I am surprised no one has suggested he gets it blown out with a torch... > > I know folks that swear they can blow the steel bolts out of the cast > with a cutting torch without damaging the threads in the cast. > > Just a though..... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) -- Posted via a free Usenet account from http://www.teranews.com |
Re: Best method for extracting bolts with broken off heads...
Mike & Bill,
Excuse my ignorance, but what do you mean by blowing out a bolt with a torch? Al "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: >Hi Mike, > Yup, I've had a head bolt blown out while the head was on the flat >head, and didn't even need a thread chaser. > God Bless America, Bill O|||||||O >mailto:-------------------- http://www.----------.com/ > >"Mike Romain" <romainm@sympatico.ca> wrote in message >news:459D3B6A.3AE27867@sympatico.ca... >> I am surprised no one has suggested he gets it blown out with a torch... >> >> I know folks that swear they can blow the steel bolts out of the cast >> with a cutting torch without damaging the threads in the cast. >> >> Just a though..... >> >> Mike >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 >> 88 Cherokee 235 BFG AT's >> Canadian Off Road Trips Photos: Non members can still view! >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 >> (More Off Road album links at bottom of the view page) __ Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Mike & Bill,
Excuse my ignorance, but what do you mean by blowing out a bolt with a torch? Al "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: >Hi Mike, > Yup, I've had a head bolt blown out while the head was on the flat >head, and didn't even need a thread chaser. > God Bless America, Bill O|||||||O >mailto:-------------------- http://www.----------.com/ > >"Mike Romain" <romainm@sympatico.ca> wrote in message >news:459D3B6A.3AE27867@sympatico.ca... >> I am surprised no one has suggested he gets it blown out with a torch... >> >> I know folks that swear they can blow the steel bolts out of the cast >> with a cutting torch without damaging the threads in the cast. >> >> Just a though..... >> >> Mike >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 >> 88 Cherokee 235 BFG AT's >> Canadian Off Road Trips Photos: Non members can still view! >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 >> (More Off Road album links at bottom of the view page) __ Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Mike & Bill,
Excuse my ignorance, but what do you mean by blowing out a bolt with a torch? Al "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: >Hi Mike, > Yup, I've had a head bolt blown out while the head was on the flat >head, and didn't even need a thread chaser. > God Bless America, Bill O|||||||O >mailto:-------------------- http://www.----------.com/ > >"Mike Romain" <romainm@sympatico.ca> wrote in message >news:459D3B6A.3AE27867@sympatico.ca... >> I am surprised no one has suggested he gets it blown out with a torch... >> >> I know folks that swear they can blow the steel bolts out of the cast >> with a cutting torch without damaging the threads in the cast. >> >> Just a though..... >> >> Mike >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 >> 88 Cherokee 235 BFG AT's >> Canadian Off Road Trips Photos: Non members can still view! >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 >> (More Off Road album links at bottom of the view page) __ Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Cutting torch, oxy-acetylene. This falls under "expert" use of a torch. If
you don't do it right, you not only damage the threads, but what gets left in the hole is a hardened mix of bolt and cast iron that is likely to break the teeth of any thread chaser you put in it. Earle "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message news:lftsp2t2r2b6dlr6e72nbdc93gc2u3u0lt@4ax.com... > Mike & Bill, > Excuse my ignorance, but what do you mean by blowing out a bolt with a > torch? > Al > > "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: > > >Hi Mike, > > Yup, I've had a head bolt blown out while the head was on the flat > >head, and didn't even need a thread chaser. > > God Bless America, Bill O|||||||O > >mailto:-------------------- http://www.----------.com/ > > > >"Mike Romain" <romainm@sympatico.ca> wrote in message > >news:459D3B6A.3AE27867@sympatico.ca... > >> I am surprised no one has suggested he gets it blown out with a torch... > >> > >> I know folks that swear they can blow the steel bolts out of the cast > >> with a cutting torch without damaging the threads in the cast. > >> > >> Just a though..... > >> > >> Mike > >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > >> 88 Cherokee 235 BFG AT's > >> Canadian Off Road Trips Photos: Non members can still view! > >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > >> (More Off Road album links at bottom of the view page) > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Cutting torch, oxy-acetylene. This falls under "expert" use of a torch. If
you don't do it right, you not only damage the threads, but what gets left in the hole is a hardened mix of bolt and cast iron that is likely to break the teeth of any thread chaser you put in it. Earle "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message news:lftsp2t2r2b6dlr6e72nbdc93gc2u3u0lt@4ax.com... > Mike & Bill, > Excuse my ignorance, but what do you mean by blowing out a bolt with a > torch? > Al > > "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: > > >Hi Mike, > > Yup, I've had a head bolt blown out while the head was on the flat > >head, and didn't even need a thread chaser. > > God Bless America, Bill O|||||||O > >mailto:-------------------- http://www.----------.com/ > > > >"Mike Romain" <romainm@sympatico.ca> wrote in message > >news:459D3B6A.3AE27867@sympatico.ca... > >> I am surprised no one has suggested he gets it blown out with a torch... > >> > >> I know folks that swear they can blow the steel bolts out of the cast > >> with a cutting torch without damaging the threads in the cast. > >> > >> Just a though..... > >> > >> Mike > >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > >> 88 Cherokee 235 BFG AT's > >> Canadian Off Road Trips Photos: Non members can still view! > >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > >> (More Off Road album links at bottom of the view page) > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Cutting torch, oxy-acetylene. This falls under "expert" use of a torch. If
you don't do it right, you not only damage the threads, but what gets left in the hole is a hardened mix of bolt and cast iron that is likely to break the teeth of any thread chaser you put in it. Earle "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message news:lftsp2t2r2b6dlr6e72nbdc93gc2u3u0lt@4ax.com... > Mike & Bill, > Excuse my ignorance, but what do you mean by blowing out a bolt with a > torch? > Al > > "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: > > >Hi Mike, > > Yup, I've had a head bolt blown out while the head was on the flat > >head, and didn't even need a thread chaser. > > God Bless America, Bill O|||||||O > >mailto:-------------------- http://www.----------.com/ > > > >"Mike Romain" <romainm@sympatico.ca> wrote in message > >news:459D3B6A.3AE27867@sympatico.ca... > >> I am surprised no one has suggested he gets it blown out with a torch... > >> > >> I know folks that swear they can blow the steel bolts out of the cast > >> with a cutting torch without damaging the threads in the cast. > >> > >> Just a though..... > >> > >> Mike > >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > >> 88 Cherokee 235 BFG AT's > >> Canadian Off Road Trips Photos: Non members can still view! > >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > >> (More Off Road album links at bottom of the view page) > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Using an oxygen acetylene cutting torch.
The steel will catch on fire and melt before the cast iron does apparently so the high flow of gas going into the dead end hole physially blows the melted steel out of the hole. One Jeep owner kept snapping engine mounts (I think it was because he insisted on using the hardest bolts he could get, which sheared too easy, but that's another thread) and he stated he used the torch to blow the holes clean. He also stated he normally didn't need to chase the threads with a tap. Mike Arold \"Al\" Green wrote: > > Mike & Bill, > Excuse my ignorance, but what do you mean by blowing out a bolt with a > torch? > Al > > "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: > > >Hi Mike, > > Yup, I've had a head bolt blown out while the head was on the flat > >head, and didn't even need a thread chaser. > > God Bless America, Bill O|||||||O > >mailto:-------------------- http://www.----------.com/ > > > >"Mike Romain" <romainm@sympatico.ca> wrote in message > >news:459D3B6A.3AE27867@sympatico.ca... > >> I am surprised no one has suggested he gets it blown out with a torch... > >> > >> I know folks that swear they can blow the steel bolts out of the cast > >> with a cutting torch without damaging the threads in the cast. > >> > >> Just a though..... > >> > >> Mike > >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > >> 88 Cherokee 235 BFG AT's > >> Canadian Off Road Trips Photos: Non members can still view! > >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > >> (More Off Road album links at bottom of the view page) > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Using an oxygen acetylene cutting torch.
The steel will catch on fire and melt before the cast iron does apparently so the high flow of gas going into the dead end hole physially blows the melted steel out of the hole. One Jeep owner kept snapping engine mounts (I think it was because he insisted on using the hardest bolts he could get, which sheared too easy, but that's another thread) and he stated he used the torch to blow the holes clean. He also stated he normally didn't need to chase the threads with a tap. Mike Arold \"Al\" Green wrote: > > Mike & Bill, > Excuse my ignorance, but what do you mean by blowing out a bolt with a > torch? > Al > > "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: > > >Hi Mike, > > Yup, I've had a head bolt blown out while the head was on the flat > >head, and didn't even need a thread chaser. > > God Bless America, Bill O|||||||O > >mailto:-------------------- http://www.----------.com/ > > > >"Mike Romain" <romainm@sympatico.ca> wrote in message > >news:459D3B6A.3AE27867@sympatico.ca... > >> I am surprised no one has suggested he gets it blown out with a torch... > >> > >> I know folks that swear they can blow the steel bolts out of the cast > >> with a cutting torch without damaging the threads in the cast. > >> > >> Just a though..... > >> > >> Mike > >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > >> 88 Cherokee 235 BFG AT's > >> Canadian Off Road Trips Photos: Non members can still view! > >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > >> (More Off Road album links at bottom of the view page) > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Using an oxygen acetylene cutting torch.
The steel will catch on fire and melt before the cast iron does apparently so the high flow of gas going into the dead end hole physially blows the melted steel out of the hole. One Jeep owner kept snapping engine mounts (I think it was because he insisted on using the hardest bolts he could get, which sheared too easy, but that's another thread) and he stated he used the torch to blow the holes clean. He also stated he normally didn't need to chase the threads with a tap. Mike Arold \"Al\" Green wrote: > > Mike & Bill, > Excuse my ignorance, but what do you mean by blowing out a bolt with a > torch? > Al > > "L.W. \(Bill\) ------ III" <----------@cox.net> wrote: > > >Hi Mike, > > Yup, I've had a head bolt blown out while the head was on the flat > >head, and didn't even need a thread chaser. > > God Bless America, Bill O|||||||O > >mailto:-------------------- http://www.----------.com/ > > > >"Mike Romain" <romainm@sympatico.ca> wrote in message > >news:459D3B6A.3AE27867@sympatico.ca... > >> I am surprised no one has suggested he gets it blown out with a torch... > >> > >> I know folks that swear they can blow the steel bolts out of the cast > >> with a cutting torch without damaging the threads in the cast. > >> > >> Just a though..... > >> > >> Mike > >> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > >> 88 Cherokee 235 BFG AT's > >> Canadian Off Road Trips Photos: Non members can still view! > >> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > >> (More Off Road album links at bottom of the view page) > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Thanks for the info. I guess I will not try it - definitely not an
expert with a torch. Al Mike Romain <romainm@sympatico.ca> wrote: >Using an oxygen acetylene cutting torch. > >The steel will catch on fire and melt before the cast iron does >apparently so the high flow of gas going into the dead end hole >physially blows the melted steel out of the hole. > >One Jeep owner kept snapping engine mounts (I think it was because he >insisted on using the hardest bolts he could get, which sheared too >easy, but that's another thread) and he stated he used the torch to blow >the holes clean. He also stated he normally didn't need to chase the >threads with a tap. > >Mike __ Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Thanks for the info. I guess I will not try it - definitely not an
expert with a torch. Al Mike Romain <romainm@sympatico.ca> wrote: >Using an oxygen acetylene cutting torch. > >The steel will catch on fire and melt before the cast iron does >apparently so the high flow of gas going into the dead end hole >physially blows the melted steel out of the hole. > >One Jeep owner kept snapping engine mounts (I think it was because he >insisted on using the hardest bolts he could get, which sheared too >easy, but that's another thread) and he stated he used the torch to blow >the holes clean. He also stated he normally didn't need to chase the >threads with a tap. > >Mike __ Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Thanks for the info. I guess I will not try it - definitely not an
expert with a torch. Al Mike Romain <romainm@sympatico.ca> wrote: >Using an oxygen acetylene cutting torch. > >The steel will catch on fire and melt before the cast iron does >apparently so the high flow of gas going into the dead end hole >physially blows the melted steel out of the hole. > >One Jeep owner kept snapping engine mounts (I think it was because he >insisted on using the hardest bolts he could get, which sheared too >easy, but that's another thread) and he stated he used the torch to blow >the holes clean. He also stated he normally didn't need to chase the >threads with a tap. > >Mike __ Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Only one way to learn, Al.
Carl "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... > Thanks for the info. I guess I will not try it - definitely not an > expert with a torch. > Al > > > Mike Romain <romainm@sympatico.ca> wrote: > >>Using an oxygen acetylene cutting torch. >> >>The steel will catch on fire and melt before the cast iron does >>apparently so the high flow of gas going into the dead end hole >>physially blows the melted steel out of the hole. >> >>One Jeep owner kept snapping engine mounts (I think it was because he >>insisted on using the hardest bolts he could get, which sheared too >>easy, but that's another thread) and he stated he used the torch to blow >>the holes clean. He also stated he normally didn't need to chase the >>threads with a tap. >> >>Mike > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Only one way to learn, Al.
Carl "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... > Thanks for the info. I guess I will not try it - definitely not an > expert with a torch. > Al > > > Mike Romain <romainm@sympatico.ca> wrote: > >>Using an oxygen acetylene cutting torch. >> >>The steel will catch on fire and melt before the cast iron does >>apparently so the high flow of gas going into the dead end hole >>physially blows the melted steel out of the hole. >> >>One Jeep owner kept snapping engine mounts (I think it was because he >>insisted on using the hardest bolts he could get, which sheared too >>easy, but that's another thread) and he stated he used the torch to blow >>the holes clean. He also stated he normally didn't need to chase the >>threads with a tap. >> >>Mike > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Only one way to learn, Al.
Carl "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... > Thanks for the info. I guess I will not try it - definitely not an > expert with a torch. > Al > > > Mike Romain <romainm@sympatico.ca> wrote: > >>Using an oxygen acetylene cutting torch. >> >>The steel will catch on fire and melt before the cast iron does >>apparently so the high flow of gas going into the dead end hole >>physially blows the melted steel out of the hole. >> >>One Jeep owner kept snapping engine mounts (I think it was because he >>insisted on using the hardest bolts he could get, which sheared too >>easy, but that's another thread) and he stated he used the torch to blow >>the holes clean. He also stated he normally didn't need to chase the >>threads with a tap. >> >>Mike > __ > Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Carl wrote:
> Only one way to learn, Al. Two ways actually. 1) the right way 2) the wrong way :) > "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message > news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... >> Thanks for the info. I guess I will not try it - definitely not an >> expert with a torch. >> Al >> >> >> Mike Romain <romainm@sympatico.ca> wrote: >> >>> Using an oxygen acetylene cutting torch. >>> >>> The steel will catch on fire and melt before the cast iron does >>> apparently so the high flow of gas going into the dead end hole >>> physially blows the melted steel out of the hole. >>> >>> One Jeep owner kept snapping engine mounts (I think it was because >>> he insisted on using the hardest bolts he could get, which sheared >>> too easy, but that's another thread) and he stated he used the >>> torch to blow the holes clean. He also stated he normally didn't >>> need to chase the threads with a tap. >>> >>> Mike >> __ >> Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Carl wrote:
> Only one way to learn, Al. Two ways actually. 1) the right way 2) the wrong way :) > "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message > news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... >> Thanks for the info. I guess I will not try it - definitely not an >> expert with a torch. >> Al >> >> >> Mike Romain <romainm@sympatico.ca> wrote: >> >>> Using an oxygen acetylene cutting torch. >>> >>> The steel will catch on fire and melt before the cast iron does >>> apparently so the high flow of gas going into the dead end hole >>> physially blows the melted steel out of the hole. >>> >>> One Jeep owner kept snapping engine mounts (I think it was because >>> he insisted on using the hardest bolts he could get, which sheared >>> too easy, but that's another thread) and he stated he used the >>> torch to blow the holes clean. He also stated he normally didn't >>> need to chase the threads with a tap. >>> >>> Mike >> __ >> Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Carl wrote:
> Only one way to learn, Al. Two ways actually. 1) the right way 2) the wrong way :) > "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message > news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... >> Thanks for the info. I guess I will not try it - definitely not an >> expert with a torch. >> Al >> >> >> Mike Romain <romainm@sympatico.ca> wrote: >> >>> Using an oxygen acetylene cutting torch. >>> >>> The steel will catch on fire and melt before the cast iron does >>> apparently so the high flow of gas going into the dead end hole >>> physially blows the melted steel out of the hole. >>> >>> One Jeep owner kept snapping engine mounts (I think it was because >>> he insisted on using the hardest bolts he could get, which sheared >>> too easy, but that's another thread) and he stated he used the >>> torch to blow the holes clean. He also stated he normally didn't >>> need to chase the threads with a tap. >>> >>> Mike >> __ >> Arold "Al" Green |
Re: Best method for extracting bolts with broken off heads...
Nah. One way. First, you do it the wrong way a few times. Then you figure
out the right way. Carl "DougW" <post.replies@invalid.address> wrote in message news:ngDnh.2706$oA1.1478@newsfe19.lga... > Carl wrote: >> Only one way to learn, Al. > > Two ways actually. > > 1) the right way > 2) the wrong way > > :) > >> "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message >> news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... >>> Thanks for the info. I guess I will not try it - definitely not an >>> expert with a torch. >>> Al >>> >>> >>> Mike Romain <romainm@sympatico.ca> wrote: >>> >>>> Using an oxygen acetylene cutting torch. >>>> >>>> The steel will catch on fire and melt before the cast iron does >>>> apparently so the high flow of gas going into the dead end hole >>>> physially blows the melted steel out of the hole. >>>> >>>> One Jeep owner kept snapping engine mounts (I think it was because >>>> he insisted on using the hardest bolts he could get, which sheared >>>> too easy, but that's another thread) and he stated he used the >>>> torch to blow the holes clean. He also stated he normally didn't >>>> need to chase the threads with a tap. >>>> >>>> Mike >>> __ >>> Arold "Al" Green > > > |
Re: Best method for extracting bolts with broken off heads...
Nah. One way. First, you do it the wrong way a few times. Then you figure
out the right way. Carl "DougW" <post.replies@invalid.address> wrote in message news:ngDnh.2706$oA1.1478@newsfe19.lga... > Carl wrote: >> Only one way to learn, Al. > > Two ways actually. > > 1) the right way > 2) the wrong way > > :) > >> "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message >> news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... >>> Thanks for the info. I guess I will not try it - definitely not an >>> expert with a torch. >>> Al >>> >>> >>> Mike Romain <romainm@sympatico.ca> wrote: >>> >>>> Using an oxygen acetylene cutting torch. >>>> >>>> The steel will catch on fire and melt before the cast iron does >>>> apparently so the high flow of gas going into the dead end hole >>>> physially blows the melted steel out of the hole. >>>> >>>> One Jeep owner kept snapping engine mounts (I think it was because >>>> he insisted on using the hardest bolts he could get, which sheared >>>> too easy, but that's another thread) and he stated he used the >>>> torch to blow the holes clean. He also stated he normally didn't >>>> need to chase the threads with a tap. >>>> >>>> Mike >>> __ >>> Arold "Al" Green > > > |
Re: Best method for extracting bolts with broken off heads...
Nah. One way. First, you do it the wrong way a few times. Then you figure
out the right way. Carl "DougW" <post.replies@invalid.address> wrote in message news:ngDnh.2706$oA1.1478@newsfe19.lga... > Carl wrote: >> Only one way to learn, Al. > > Two ways actually. > > 1) the right way > 2) the wrong way > > :) > >> "Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message >> news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com... >>> Thanks for the info. I guess I will not try it - definitely not an >>> expert with a torch. >>> Al >>> >>> >>> Mike Romain <romainm@sympatico.ca> wrote: >>> >>>> Using an oxygen acetylene cutting torch. >>>> >>>> The steel will catch on fire and melt before the cast iron does >>>> apparently so the high flow of gas going into the dead end hole >>>> physially blows the melted steel out of the hole. >>>> >>>> One Jeep owner kept snapping engine mounts (I think it was because >>>> he insisted on using the hardest bolts he could get, which sheared >>>> too easy, but that's another thread) and he stated he used the >>>> torch to blow the holes clean. He also stated he normally didn't >>>> need to chase the threads with a tap. >>>> >>>> Mike >>> __ >>> Arold "Al" Green > > > |
Re: Best method for extracting bolts with broken off heads...
DougW proclaimed:
> Carl wrote: > >>Only one way to learn, Al. > > > Two ways actually. Make that three > > 1) the right way > 2) the wrong way 3) your jackass brother in law's jeep > >>"Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message >>news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com. .. >> >>>Thanks for the info. I guess I will not try it - definitely not an >>>expert with a torch. >>>Al >>> >>> >>>Mike Romain <romainm@sympatico.ca> wrote: >>> >>> >>>>Using an oxygen acetylene cutting torch. >>>> >>>>The steel will catch on fire and melt before the cast iron does >>>>apparently so the high flow of gas going into the dead end hole >>>>physially blows the melted steel out of the hole. >>>> >>>>One Jeep owner kept snapping engine mounts (I think it was because >>>>he insisted on using the hardest bolts he could get, which sheared >>>>too easy, but that's another thread) and he stated he used the >>>>torch to blow the holes clean. He also stated he normally didn't >>>>need to chase the threads with a tap. >>>> >>>>Mike >>> >>>__ >>>Arold "Al" Green > > > > |
Re: Best method for extracting bolts with broken off heads...
DougW proclaimed:
> Carl wrote: > >>Only one way to learn, Al. > > > Two ways actually. Make that three > > 1) the right way > 2) the wrong way 3) your jackass brother in law's jeep > >>"Arold "Al" Green" <aroldg@spamlessmchsi.com> wrote in message >>news:to9tp2dn7l3k9gl2q8l7e3ntuf742od034@4ax.com. .. >> >>>Thanks for the info. I guess I will not try it - definitely not an >>>expert with a torch. >>>Al >>> >>> >>>Mike Romain <romainm@sympatico.ca> wrote: >>> >>> >>>>Using an oxygen acetylene cutting torch. >>>> >>>>The steel will catch on fire and melt before the cast iron does >>>>apparently so the high flow of gas going into the dead end hole >>>>physially blows the melted steel out of the hole. >>>> >>>>One Jeep owner kept snapping engine mounts (I think it was because >>>>he insisted on using the hardest bolts he could get, which sheared >>>>too easy, but that's another thread) and he stated he used the >>>>torch to blow the holes clean. He also stated he normally didn't >>>>need to chase the threads with a tap. >>>> >>>>Mike >>> >>>__ >>>Arold "Al" Green > > > > |
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