Re: Valve Spring Replacment - 97 Wrangler
L.W. ("ßill") ------ III did pass the time by typing:
> Hi Mick, > You could be describing a crack in the header pipe, leaking > exhaust. The height of procrastination: > http://www.----------.com/brokenheader.jpg That defines what was bugging me for a long time till the weld at the lower union gave me a big smily on day. > Mick Miller wrote: >> >> i am no getting a missfire. >> >> no smoke no loss of power...other than a bit of throttle crispness >> >> ........just this tappet like noise when reved ...... |
Re: Valve Spring Replacment - 97 Wrangler
L.W. ("ßill") ------ III did pass the time by typing:
> Hi Mick, > You could be describing a crack in the header pipe, leaking > exhaust. The height of procrastination: > http://www.----------.com/brokenheader.jpg That defines what was bugging me for a long time till the weld at the lower union gave me a big smily on day. > Mick Miller wrote: >> >> i am no getting a missfire. >> >> no smoke no loss of power...other than a bit of throttle crispness >> >> ........just this tappet like noise when reved ...... |
Re: Valve Spring Replacment - 97 Wrangler
I do think i do have a small crack pn the header pipe aswell, but the tappet noise i am hearing is from the head. nice pic >Hi Mick, > You could be describing a crack in the header pipe, leaking >exhaust. The height of procrastination: >http://www.----------.com/brokenheader.jpg > God Bless America, ßill O|||||||O >mailto:-------------------- > >Mick Miller wrote: >> >> i am no getting a missfire. >> >> no smoke no loss of power...other than a bit of throttle crispness >> >> ........just this tappet like noise when reved ...... |
Re: Valve Spring Replacment - 97 Wrangler
I do think i do have a small crack pn the header pipe aswell, but the tappet noise i am hearing is from the head. nice pic >Hi Mick, > You could be describing a crack in the header pipe, leaking >exhaust. The height of procrastination: >http://www.----------.com/brokenheader.jpg > God Bless America, ßill O|||||||O >mailto:-------------------- > >Mick Miller wrote: >> >> i am no getting a missfire. >> >> no smoke no loss of power...other than a bit of throttle crispness >> >> ........just this tappet like noise when reved ...... |
Re: Valve Spring Replacment - 97 Wrangler
I do think i do have a small crack pn the header pipe aswell, but the tappet noise i am hearing is from the head. nice pic >Hi Mick, > You could be describing a crack in the header pipe, leaking >exhaust. The height of procrastination: >http://www.----------.com/brokenheader.jpg > God Bless America, ßill O|||||||O >mailto:-------------------- > >Mick Miller wrote: >> >> i am no getting a missfire. >> >> no smoke no loss of power...other than a bit of throttle crispness >> >> ........just this tappet like noise when reved ...... |
Re: Valve Spring Replacment - 97 Wrangler
Maybe a bent push rod. Take the cover off and twist them with your
fingers as it is running. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ Mica Miller wrote: > > I do think i do have a small crack pn the header pipe aswell, but the > tappet noise i am hearing is from the head. > > nice pic |
Re: Valve Spring Replacment - 97 Wrangler
Maybe a bent push rod. Take the cover off and twist them with your
fingers as it is running. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ Mica Miller wrote: > > I do think i do have a small crack pn the header pipe aswell, but the > tappet noise i am hearing is from the head. > > nice pic |
Re: Valve Spring Replacment - 97 Wrangler
Maybe a bent push rod. Take the cover off and twist them with your
fingers as it is running. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ Mica Miller wrote: > > I do think i do have a small crack pn the header pipe aswell, but the > tappet noise i am hearing is from the head. > > nice pic |
Re: Valve Spring Replacment - 97 Wrangler
I would be looking very closely at the exhaust header for a crack. They
do crack and make a lifter ticking noise at first. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Mick Miller wrote: > > i am no getting a missfire. > > no smoke no loss of power...other than a bit of throttle crispness > > ........just this tappet like noise when reved ...... > > >The only way valve springs can make noise is if they're broken. If that's the > >case, noise will be the least of your worries. > > > >More likely lifters are the cause. I think I'd try an additive like "Lifter > >Free" before replacing them. Might save a few bucks if it works. > > > >The valve spring replacement that others have referenced here was only a part of > >the fix for misfire problems. The actual problem was carbon buildup on the > >exhaust valves causing them to be "slow to close", thus causing a misfire. > >Stronger valve springs were to help overcome this problem. > > > > > > > >In message <1hjm311gbbkbn8fc6c5obge4fna42m4bfu@4ax.com>, "Mick Miller" wrote: > > > >> > >>I have a wrangler 4ltr with very noise valve springs (think this was a > >>known problem) > >> > >>how easy are they to replace and does the head need to come off? > >> |
Re: Valve Spring Replacment - 97 Wrangler
I would be looking very closely at the exhaust header for a crack. They
do crack and make a lifter ticking noise at first. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Mick Miller wrote: > > i am no getting a missfire. > > no smoke no loss of power...other than a bit of throttle crispness > > ........just this tappet like noise when reved ...... > > >The only way valve springs can make noise is if they're broken. If that's the > >case, noise will be the least of your worries. > > > >More likely lifters are the cause. I think I'd try an additive like "Lifter > >Free" before replacing them. Might save a few bucks if it works. > > > >The valve spring replacement that others have referenced here was only a part of > >the fix for misfire problems. The actual problem was carbon buildup on the > >exhaust valves causing them to be "slow to close", thus causing a misfire. > >Stronger valve springs were to help overcome this problem. > > > > > > > >In message <1hjm311gbbkbn8fc6c5obge4fna42m4bfu@4ax.com>, "Mick Miller" wrote: > > > >> > >>I have a wrangler 4ltr with very noise valve springs (think this was a > >>known problem) > >> > >>how easy are they to replace and does the head need to come off? > >> |
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