Fixing a leaking rear main, need help!!
Thread Starter
Burning Brakes
Joined: Nov 2004
Posts: 834
Likes: 1
From: Keller Texas
Fixing a leaking rear main, need help!!
OK I am in the middle of changing a leaking rear main seal.I have a 96 with a LT4 and 6-speed. I have the trans out and now I am at the bellhousing! Is there a trick or something to get the bellhousing off? I am dealing with the clutch fork and the throw out bearing, it doesnt seem like it wants to come out! Help
Racer
Joined: Apr 2005
Posts: 484
Likes: 5
From: Madison Wisconsin
ZFDOC.com has some good tips on pulling the bell housing. Yuo have to pull it away from the dowel pins and then rotate it a bit. If it's really stuck, you can remove the pivot ball lock nut and loosen the pivot ball to give a little play in the throw out fork. I only did it once, but it worked pretty well.
Good luck.
Jim
Good luck.
Jim
Drifting
Joined: Nov 2000
Posts: 1,276
Likes: 0
From: Ft. Worth Texas
St. Jude Donor '11
Originally Posted by RED LT4
Well I got it off lastnight.....I had to losen the pin that holds the fork in and it gave some play to let it slip out . thanks for your help
So, have you found out where the leak is coming from???
Drifting
Joined: Sep 2003
Posts: 1,363
Likes: 7
From: 1994 LT1 Coupe 6-speed with FX3 & 2000 LS1 Vert 6-Speed with F45 Hunterdon County, NJ
Be sure it isn't the trany front seal leaking instead!
Originally Posted by RED LT4
OK I am in the middle of changing a leaking rear main seal.I have a 96 with a LT4 and 6-speed.
The tell-tale sign for ours was oil on the trany input shaft splines and a increase of wetness when the trany was tipped forward lowering the input shaft.
BTW, the manual says to 'align the fork fingers on the flats of the release bearing (i.e. between the 4 ears/tabs).
Hope this helps...
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Pro
Joined: May 2005
Posts: 510
Likes: 0
From: crofton maryland
not to be funny or a s--thead but didn't chevy come up with that one peice rear main so they wouldn't leak? 
my 86 has a little leak coming out of the inspection cover of the tranny so i am thinking rar main too? what year was the change from two peice to one peice???
my 86 has a little leak coming out of the inspection cover of the tranny so i am thinking rar main too? what year was the change from two peice to one peice???
Drifting
Joined: Sep 2003
Posts: 1,363
Likes: 7
From: 1994 LT1 Coupe 6-speed with FX3 & 2000 LS1 Vert 6-Speed with F45 Hunterdon County, NJ
Don't know, but 94 has 1 piece
Originally Posted by tigmaned
what year was the change from two peice to one peice???
Thread Starter
Burning Brakes
Joined: Nov 2004
Posts: 834
Likes: 1
From: Keller Texas
Bingo++++ I found the leak. It is coming from the housing that holds the rear main, it fastens the block. It was loose and not sealed aginst the block. So now I will replace all seals and gaskets and all is well I hope 
Thread Starter
Burning Brakes
Joined: Nov 2004
Posts: 834
Likes: 1
From: Keller Texas
Originally Posted by mudslide
how did the home made seal installer work I am doing a flywheel change$$$$ and as long as I am in that far I will change the seal
Well I need to pick up the seal after work but I had to remove the housing and all to get to the gasket behind the housing that hold the seal. So I will put the seal in the housing amd then install the new gasket,seal and housing that is holding the seal!!