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4.0 main bearing bolt size question
Hi all
I am trying to change the rear main seal in my 1997 4.0 Jeep Grand Cherokee. I have been pretty much over my head in the whole project. In trying to remove the main cap, my 13/16 socket seems too big, and my 20mm socket won't fit on the main bearing bolt. Does anyone know what size these are? At first, I thought the 20mm socket just needed to be deeper so I just got back from the store with a deep socket and it doesn't fit on either. I do not have a factory manual. Thanks in advance. Doug |
Re: 4.0 main bearing bolt size question
You could measure across the flats. It's a SEA (inch) engine. The next
smaller from 13/16 is a 3/4" JoBo <dornbos@charter.net> wrote in message news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug > |
Re: 4.0 main bearing bolt size question
You could measure across the flats. It's a SEA (inch) engine. The next
smaller from 13/16 is a 3/4" JoBo <dornbos@charter.net> wrote in message news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug > |
Re: 4.0 main bearing bolt size question
You could measure across the flats. It's a SEA (inch) engine. The next
smaller from 13/16 is a 3/4" JoBo <dornbos@charter.net> wrote in message news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug > |
Re: 4.0 main bearing bolt size question
You could measure across the flats. It's a SEA (inch) engine. The next
smaller from 13/16 is a 3/4" JoBo <dornbos@charter.net> wrote in message news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug > |
Re: 4.0 main bearing bolt size question
I don't think you have to remove the main bearing cap. I've replaced the
rear main seal in my 91 YJ and never had to remove the bearing cap. I don't think the GCs are much different in that respect. Scott <dornbos@charter.net> wrote in message news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug > |
Re: 4.0 main bearing bolt size question
I don't think you have to remove the main bearing cap. I've replaced the
rear main seal in my 91 YJ and never had to remove the bearing cap. I don't think the GCs are much different in that respect. Scott <dornbos@charter.net> wrote in message news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug > |
Re: 4.0 main bearing bolt size question
I don't think you have to remove the main bearing cap. I've replaced the
rear main seal in my 91 YJ and never had to remove the bearing cap. I don't think the GCs are much different in that respect. Scott <dornbos@charter.net> wrote in message news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug > |
Re: 4.0 main bearing bolt size question
I don't think you have to remove the main bearing cap. I've replaced the
rear main seal in my 91 YJ and never had to remove the bearing cap. I don't think the GCs are much different in that respect. Scott <dornbos@charter.net> wrote in message news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug > |
Re: 4.0 main bearing bolt size question
I really hope it wasn't just your valve cover leaking down the back
imitating a bad seal. You can tell by running a clean rag across the back of the head. If it comes out wet with oil.... My main's use a 13/16 wrench. It has a 'slight' amount of play when fitted. 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) dornbos@charter.net wrote: > > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug |
Re: 4.0 main bearing bolt size question
I really hope it wasn't just your valve cover leaking down the back
imitating a bad seal. You can tell by running a clean rag across the back of the head. If it comes out wet with oil.... My main's use a 13/16 wrench. It has a 'slight' amount of play when fitted. 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) dornbos@charter.net wrote: > > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug |
Re: 4.0 main bearing bolt size question
I really hope it wasn't just your valve cover leaking down the back
imitating a bad seal. You can tell by running a clean rag across the back of the head. If it comes out wet with oil.... My main's use a 13/16 wrench. It has a 'slight' amount of play when fitted. 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) dornbos@charter.net wrote: > > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug |
Re: 4.0 main bearing bolt size question
I really hope it wasn't just your valve cover leaking down the back
imitating a bad seal. You can tell by running a clean rag across the back of the head. If it comes out wet with oil.... My main's use a 13/16 wrench. It has a 'slight' amount of play when fitted. 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) dornbos@charter.net wrote: > > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug |
Re: 4.0 main bearing bolt size question
That would be a trick I would like to see.....
The seal is fitted 'under' the rear main bearing cap in 2 halves.... Mike reconair wrote: > > I don't think you have to remove the main bearing cap. I've replaced the > rear main seal in my 91 YJ and never had to remove the bearing cap. I don't > think the GCs are much different in that respect. > > Scott > <dornbos@charter.net> wrote in message > news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > > Hi all > > > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > > Cherokee. I have been pretty much over my head in the whole project. > > > > In trying to remove the main cap, my 13/16 socket seems too big, and my > > 20mm socket won't fit on the main bearing bolt. > > > > Does anyone know what size these are? At first, I thought the 20mm > > socket just needed to be deeper so I just got back from the store with > > a deep socket and it doesn't fit on either. > > > > I do not have a factory manual. > > > > Thanks in advance. > > Doug > > |
Re: 4.0 main bearing bolt size question
That would be a trick I would like to see.....
The seal is fitted 'under' the rear main bearing cap in 2 halves.... Mike reconair wrote: > > I don't think you have to remove the main bearing cap. I've replaced the > rear main seal in my 91 YJ and never had to remove the bearing cap. I don't > think the GCs are much different in that respect. > > Scott > <dornbos@charter.net> wrote in message > news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > > Hi all > > > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > > Cherokee. I have been pretty much over my head in the whole project. > > > > In trying to remove the main cap, my 13/16 socket seems too big, and my > > 20mm socket won't fit on the main bearing bolt. > > > > Does anyone know what size these are? At first, I thought the 20mm > > socket just needed to be deeper so I just got back from the store with > > a deep socket and it doesn't fit on either. > > > > I do not have a factory manual. > > > > Thanks in advance. > > Doug > > |
Re: 4.0 main bearing bolt size question
That would be a trick I would like to see.....
The seal is fitted 'under' the rear main bearing cap in 2 halves.... Mike reconair wrote: > > I don't think you have to remove the main bearing cap. I've replaced the > rear main seal in my 91 YJ and never had to remove the bearing cap. I don't > think the GCs are much different in that respect. > > Scott > <dornbos@charter.net> wrote in message > news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > > Hi all > > > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > > Cherokee. I have been pretty much over my head in the whole project. > > > > In trying to remove the main cap, my 13/16 socket seems too big, and my > > 20mm socket won't fit on the main bearing bolt. > > > > Does anyone know what size these are? At first, I thought the 20mm > > socket just needed to be deeper so I just got back from the store with > > a deep socket and it doesn't fit on either. > > > > I do not have a factory manual. > > > > Thanks in advance. > > Doug > > |
Re: 4.0 main bearing bolt size question
That would be a trick I would like to see.....
The seal is fitted 'under' the rear main bearing cap in 2 halves.... Mike reconair wrote: > > I don't think you have to remove the main bearing cap. I've replaced the > rear main seal in my 91 YJ and never had to remove the bearing cap. I don't > think the GCs are much different in that respect. > > Scott > <dornbos@charter.net> wrote in message > news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... > > Hi all > > > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > > Cherokee. I have been pretty much over my head in the whole project. > > > > In trying to remove the main cap, my 13/16 socket seems too big, and my > > 20mm socket won't fit on the main bearing bolt. > > > > Does anyone know what size these are? At first, I thought the 20mm > > socket just needed to be deeper so I just got back from the store with > > a deep socket and it doesn't fit on either. > > > > I do not have a factory manual. > > > > Thanks in advance. > > Doug > > |
Re: 4.0 main bearing bolt size question
No idea, probably the reason I own twenty thousand dollars in
tools: http://www.neow.org/rms1.html God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ dornbos@charter.net wrote: > > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug |
Re: 4.0 main bearing bolt size question
No idea, probably the reason I own twenty thousand dollars in
tools: http://www.neow.org/rms1.html God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ dornbos@charter.net wrote: > > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug |
Re: 4.0 main bearing bolt size question
No idea, probably the reason I own twenty thousand dollars in
tools: http://www.neow.org/rms1.html God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ dornbos@charter.net wrote: > > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug |
Re: 4.0 main bearing bolt size question
No idea, probably the reason I own twenty thousand dollars in
tools: http://www.neow.org/rms1.html God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ dornbos@charter.net wrote: > > Hi all > > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand > Cherokee. I have been pretty much over my head in the whole project. > > In trying to remove the main cap, my 13/16 socket seems too big, and my > 20mm socket won't fit on the main bearing bolt. > > Does anyone know what size these are? At first, I thought the 20mm > socket just needed to be deeper so I just got back from the store with > a deep socket and it doesn't fit on either. > > I do not have a factory manual. > > Thanks in advance. > Doug |
Re: 4.0 main bearing bolt size question
He's got it tangled up with Japanese engines, which are nothing
more that glorified motorcycles God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ Mike Romain wrote: > > That would be a trick I would like to see..... > > The seal is fitted 'under' the rear main bearing cap in 2 halves.... > > Mike |
Re: 4.0 main bearing bolt size question
He's got it tangled up with Japanese engines, which are nothing
more that glorified motorcycles God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ Mike Romain wrote: > > That would be a trick I would like to see..... > > The seal is fitted 'under' the rear main bearing cap in 2 halves.... > > Mike |
Re: 4.0 main bearing bolt size question
He's got it tangled up with Japanese engines, which are nothing
more that glorified motorcycles God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ Mike Romain wrote: > > That would be a trick I would like to see..... > > The seal is fitted 'under' the rear main bearing cap in 2 halves.... > > Mike |
Re: 4.0 main bearing bolt size question
He's got it tangled up with Japanese engines, which are nothing
more that glorified motorcycles God Bless America, Bill O|||||||O mailto:-------------------- http://www.----------.com/ Mike Romain wrote: > > That would be a trick I would like to see..... > > The seal is fitted 'under' the rear main bearing cap in 2 halves.... > > Mike |
Re: 4.0 main bearing bolt size question
My bad, your right, I forgot.
Scott "Mike Romain" <romainm@sympatico.ca> wrote in message news:44DE2272.3C4E3ADF@sympatico.ca... > That would be a trick I would like to see..... > > The seal is fitted 'under' the rear main bearing cap in 2 halves.... > > Mike > > reconair wrote: >> >> I don't think you have to remove the main bearing cap. I've replaced the >> rear main seal in my 91 YJ and never had to remove the bearing cap. I >> don't >> think the GCs are much different in that respect. >> >> Scott >> <dornbos@charter.net> wrote in message >> news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... >> > Hi all >> > >> > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand >> > Cherokee. I have been pretty much over my head in the whole project. >> > >> > In trying to remove the main cap, my 13/16 socket seems too big, and my >> > 20mm socket won't fit on the main bearing bolt. >> > >> > Does anyone know what size these are? At first, I thought the 20mm >> > socket just needed to be deeper so I just got back from the store with >> > a deep socket and it doesn't fit on either. >> > >> > I do not have a factory manual. >> > >> > Thanks in advance. >> > Doug >> > |
Re: 4.0 main bearing bolt size question
My bad, your right, I forgot.
Scott "Mike Romain" <romainm@sympatico.ca> wrote in message news:44DE2272.3C4E3ADF@sympatico.ca... > That would be a trick I would like to see..... > > The seal is fitted 'under' the rear main bearing cap in 2 halves.... > > Mike > > reconair wrote: >> >> I don't think you have to remove the main bearing cap. I've replaced the >> rear main seal in my 91 YJ and never had to remove the bearing cap. I >> don't >> think the GCs are much different in that respect. >> >> Scott >> <dornbos@charter.net> wrote in message >> news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... >> > Hi all >> > >> > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand >> > Cherokee. I have been pretty much over my head in the whole project. >> > >> > In trying to remove the main cap, my 13/16 socket seems too big, and my >> > 20mm socket won't fit on the main bearing bolt. >> > >> > Does anyone know what size these are? At first, I thought the 20mm >> > socket just needed to be deeper so I just got back from the store with >> > a deep socket and it doesn't fit on either. >> > >> > I do not have a factory manual. >> > >> > Thanks in advance. >> > Doug >> > |
Re: 4.0 main bearing bolt size question
My bad, your right, I forgot.
Scott "Mike Romain" <romainm@sympatico.ca> wrote in message news:44DE2272.3C4E3ADF@sympatico.ca... > That would be a trick I would like to see..... > > The seal is fitted 'under' the rear main bearing cap in 2 halves.... > > Mike > > reconair wrote: >> >> I don't think you have to remove the main bearing cap. I've replaced the >> rear main seal in my 91 YJ and never had to remove the bearing cap. I >> don't >> think the GCs are much different in that respect. >> >> Scott >> <dornbos@charter.net> wrote in message >> news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... >> > Hi all >> > >> > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand >> > Cherokee. I have been pretty much over my head in the whole project. >> > >> > In trying to remove the main cap, my 13/16 socket seems too big, and my >> > 20mm socket won't fit on the main bearing bolt. >> > >> > Does anyone know what size these are? At first, I thought the 20mm >> > socket just needed to be deeper so I just got back from the store with >> > a deep socket and it doesn't fit on either. >> > >> > I do not have a factory manual. >> > >> > Thanks in advance. >> > Doug >> > |
Re: 4.0 main bearing bolt size question
My bad, your right, I forgot.
Scott "Mike Romain" <romainm@sympatico.ca> wrote in message news:44DE2272.3C4E3ADF@sympatico.ca... > That would be a trick I would like to see..... > > The seal is fitted 'under' the rear main bearing cap in 2 halves.... > > Mike > > reconair wrote: >> >> I don't think you have to remove the main bearing cap. I've replaced the >> rear main seal in my 91 YJ and never had to remove the bearing cap. I >> don't >> think the GCs are much different in that respect. >> >> Scott >> <dornbos@charter.net> wrote in message >> news:1155402728.602268.29390@74g2000cwt.googlegrou ps.com... >> > Hi all >> > >> > I am trying to change the rear main seal in my 1997 4.0 Jeep Grand >> > Cherokee. I have been pretty much over my head in the whole project. >> > >> > In trying to remove the main cap, my 13/16 socket seems too big, and my >> > 20mm socket won't fit on the main bearing bolt. >> > >> > Does anyone know what size these are? At first, I thought the 20mm >> > socket just needed to be deeper so I just got back from the store with >> > a deep socket and it doesn't fit on either. >> > >> > I do not have a factory manual. >> > >> > Thanks in advance. >> > Doug >> > |
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