oil leak out rear of pan i replaced the oil pan gasket cause it was leaking at higher rpm (spraying). I put a new gasket on and its still leaking right where the rear of pan meets the block. if I lay under car and person revs up I can see it coming out the rear gasket. can I pack some rtv around it or do I need a new pan? |
Re: oil leak out rear of pan I doubt that any amount of sealant will resolve the issue. There's a considerable amount of crankcase pressure developed especially under high RPM conditions. A proper seal is needed to prevent leaks. For what it's worth, and depending on the condition of the oil pan you have now, you might have luck with a new gasket and some RTV applied in the corners where the block meets the rear cap. Are you using a one-piece gasket? Is your PCV system operating as it should? |
Re: oil leak out rear of pan
Originally Posted by skinny z
(Post 6089169)
I doubt that any amount of sealant will resolve the issue. There's a considerable amount of crankcase pressure developed especially under high RPM conditions. A proper seal is needed to prevent leaks. For what it's worth, and depending on the condition of the oil pan you have now, you might have luck with a new gasket and some RTV applied in the corners where the block meets the rear cap. Are you using a one-piece gasket? Is your PCV system operating as it should? |
Re: oil leak out rear of pan I would try one of the blue one piece felpro gaskets. Are you sure it is the oil pan not rear main? |
Re: oil leak out rear of pan Aftermarket pans are nothing but trouble. Try to find a gm pan |
Re: oil leak out rear of pan
Originally Posted by midias
(Post 6089191)
I would try one of the blue one piece felpro gaskets. Are you sure it is the oil pan not rear main? |
Re: oil leak out rear of pan
Originally Posted by billybob6110
(Post 6089229)
I can see it actually coming out of the rear of oil pan. |
Re: oil leak out rear of pan
Originally Posted by billybob6110
(Post 6089231)
how would I tell if it was rear main? If its more than 70,000, or 7 years on an 80's vintage Chevy motor, the chances that the RMS isn't leaking at least some, are slim and none. |
Re: oil leak out rear of pan Could also be, the crack where the main bearing cap meets the block. There's pressurized oil where the passage goes through the cap up into the block. |
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