Is seal replacement possible?
Melting Slicks
Joined: Sep 2001
Posts: 3,494
Likes: 36
From: Livermore Ca
St. Jude Donor '05-'06
I help friends do it that way.
But I also notice the area leeking oil.
I dropped the pan down 1/2" or so. without removing the bolts and had better results. Help when you have a lift
But I also notice the area leeking oil.
I dropped the pan down 1/2" or so. without removing the bolts and had better results. Help when you have a lift
Race Director
Joined: Sep 2003
Posts: 16,835
Likes: 337
From: Database Error Indiana
How bad is it laking ? I once fixed one by spraying the crap out of it with carb cleaner and then forcing black RTV into it with my finger tips. Messy
but it worked.
Oh yea, you should post this in Tech.
but it worked.Oh yea, you should post this in Tech.
Pro
Joined: Jul 2002
Posts: 729
Likes: 4
From: Yukon OK
Le Mans Master
Joined: Aug 2000
Posts: 8,838
Likes: 31
From: Australia
The timing cover seal is part of the one piece oil pan gasket ; not a seperate seal as used on the older engines
http://www.summitracing.com/parts/FE...500R/?rtype=10
Last edited by rodj; Nov 2, 2010 at 05:43 PM.
Burning Brakes
Joined: Mar 2010
Posts: 1,094
Likes: 68
From: Providence RI
just a quick bump.
I have a 1991 L98 and have to replace that seal. The timing chain cover is off and I will be getting a new cover and gasket kit.
The oil pan was not going to be pulled.
The gasket kits come with one of the new U shaped rubber gaskets.
Any recommendations on how to go about this and not have it leak?
Thanks,
Mike
I have a 1991 L98 and have to replace that seal. The timing chain cover is off and I will be getting a new cover and gasket kit.
The oil pan was not going to be pulled.
The gasket kits come with one of the new U shaped rubber gaskets.
Any recommendations on how to go about this and not have it leak?
Thanks,
Mike
Thread Starter
Racer
Joined: Sep 2005
Posts: 449
Likes: 1
From: Victoria
just a quick bump.
I have a 1991 L98 and have to replace that seal. The timing chain cover is off and I will be getting a new cover and gasket kit.
The oil pan was not going to be pulled.
The gasket kits come with one of the new U shaped rubber gaskets.
Any recommendations on how to go about this and not have it leak?
Thanks,
Mike
I have a 1991 L98 and have to replace that seal. The timing chain cover is off and I will be getting a new cover and gasket kit.
The oil pan was not going to be pulled.
The gasket kits come with one of the new U shaped rubber gaskets.
Any recommendations on how to go about this and not have it leak?
Thanks,
Mike
Its strange the gasket I removed actually was recessed and fitted about 1/4" down either side of the sump,this seemed like a good idea,dont know what make it was.
And sorry Guys should have posted in Tech,first time
Last edited by Qiken; Nov 12, 2010 at 12:22 AM. Reason: info
Thread Starter
Racer
Joined: Sep 2005
Posts: 449
Likes: 1
From: Victoria
Not on a '87+ engine like yours.
The timing cover seal is part of the one piece oil pan gasket ; not a seperate seal as used on the older engines
http://www.summitracing.com/parts/FE...500R/?rtype=10
The timing cover seal is part of the one piece oil pan gasket ; not a seperate seal as used on the older engines
http://www.summitracing.com/parts/FE...500R/?rtype=10
Live and learn:o
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Race Director
Joined: Oct 2000
Posts: 14,060
Likes: 1,165
From: N. Alabama
Not sure of the differences in the C4 years, but on a '96 it requires dropping the oil pan. No biggee really. Remove starter, flywheel dust shield, oil level sensor, etc..... Loosen engine mount bolts to the last 3 threads or so and jack up the engine slowly to get a little clearance. I put the jack, with small oak board on pad, to lift at tranny. Make sure you clean the contact surfaces really well with brake cleaner. Go to the GM dealer and get the sealant, the one that is a short tube that goes in a caulking gun. Put an inch or so thick bead at the four points described in manual, put the gasket onto the block and then lift the oil pan into place. You may have to rotate the crank to get clearance at front of engine. You may as well wipe old oil off of everything because it will stay clean a long, long time. 
