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Old 08-20-2005, 09:47 PM   #1
JIMs70GMC
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Location: Chesapeake, Virginia
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Unhappy New gasket and still leaks!

I replaced my oilpan gasket today w/ a one piece gasket and the damn thing still leaks ! And it was a big pain in the butt too. Had the motor supported w/ lift, un-bolted oil pan and could not clear the cross member. Ended up removing the crossmember to get the oil pan out.
The one piece seal had instructions that said to install dry w/o adhesives. So I did, the thing leaks where the oil pan/timing chain cover meet. I think I'm going to pull it again and use some silicon. What do you guys think?

I did get my transfer case and rearend leaks fixed though .
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 08-21-2005, 09:13 AM   #2
Mike C
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I believe in small quantities of silicone where the pain meets the block and t-chain cover. Also, make sure your front balancer seal is not the source! Having an old truck that doesn't leak is a joy.
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Old 08-21-2005, 10:42 AM   #3
Russell
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My mistake there was that I forgot to pull the old front timing chain seal out! Also made it extremely tough to install, lol

After I pulled that thing out, I re-installed with a dab of silicone in each of the four corners, and not a drip of engine oil since!

ATF on the otherhand has been dribbling out of my tranny for a while now, lol
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Old 08-21-2005, 06:49 PM   #4
JIMs70GMC
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I re-did it today with some silicone and the leak is stopped. What a pain in the butt.
__________________
1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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