silicon or rubber gasket? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-18-2011, 09:05 PM   #1
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Default silicon or rubber gasket?

Do you guys prefer to use the manufactured rubber gaskets or get the tubed silicon gasket maker when you're replacing a gasket?

I've replaced my oil pan gasket twice with rubber ones and it appears to still be leaking. Does the silicon fill the imperfections that much better? I think I may have over torqued with this last gasket, and I think the first was defective.

Also, is there gasket for oil filters or just the one on the filter itself? It looks like I had some oil sneaking through there also.

Thanks!
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Old 09-18-2011, 09:51 PM   #2
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sometimes the regular gaskets are better because with the silicones you are supposed to wait a day for it to dry, but you have to be really careful about toque values the pan is probably bent now. so you may have to do the silicone now to take up the warpage.
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Old 09-18-2011, 09:53 PM   #3
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Replace your oil pan gasket with the proper gasket. If it leaked then you likely did something incorrect. Everything needs to be clean, wipe it all down good. Put all bolts in and hand tighten. Then half torque, then full torque. Be sure to cross torque, in other words, move back and forth across the pan so your not just going around the pan.
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Old 09-18-2011, 09:57 PM   #4
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Do I need to replace the pan if I did over torque? What is the specification for the torque on the pan bolts?

Dan, that'* what I did last time. The gasket is compressed and squeezing out the side some where it appears to be leaking. it'* possible the oil is coming from above and I'm chasing a ghost. My oil is pretty low though. Barely on the dipstick. I added some for the week but doing a full change next weekend.
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Old 09-18-2011, 11:20 PM   #5
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124 inch pounds.

Wipe down the oil and then watch for any new oil.
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Old 09-18-2011, 11:49 PM   #6
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I got a warranty replacement from autozone, gotta love it. I'll install that with the correct torque this weekend. My engine bay is a mess of fluids. My engine bay is a mess of fluids. A lot of leaks when I bought her. Makes finding leaks still around a heck of a lot harder though. I haven't had much luck with degreasers. Is it worth the money to have it steam cleaned?
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Old 09-19-2011, 07:39 AM   #7
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i use simple green and a hose, but you have to work the gunk out out with a harder bristle brush like a wheel brush
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Old 09-19-2011, 10:58 AM   #8
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Yeah.. I just moved into an apartment so I can't really use a hose / pressure washer which bites. Made sure to still have garage though.
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Old 09-19-2011, 11:27 AM   #9
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You have to have a garage.
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Old 09-19-2011, 11:33 AM   #10
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For the past year and a half I was actually doing my work in a parking lot in northern Indiana. Quite frequently in the rain, occasionally in the snow. Probably explains a few things
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