I’m running the engine with the transmission off. I can see and hear the oil coming out of the lower part of the rear main seal behind the flexplate. Even dyed it and used a uv flashlight. I am as sure as my middle-aged eyes can make me.
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Originally Posted by akdg87
positive its the rear main and not the cam position sensor leaking?
I have seen LS engines where the oil puddles up where it goes into the block and looks just like a rear main leak. O ring gets wore out and oil makes it way by.
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