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Fhane · 01-14-2019, 08:36 AM

About ten years ago a nice 1930 Model A came into the shop with a small rear main leak.
I dropped the pan. Bearings were a little loose and no rear main drain tube. Did not adjust the bearings. Thought I found the problem. Installed drain pipe, installed pan with new gaskets. Started engine and the leak was worse. Removed pan, removed oil drain, reinstalled pan with new gaskets. Started engine slight leak as before.

Advised the customer that engine had to be removed to adjust the bearings or to rebuild the engine. Customer decided on rebuild while out our car due to other problems.

Fresh rebuild no leaks. Ten years later slight leak. Maybe Bob has something going.

01-14-2019, 08:36 AM	#10
Fhane Senior Member Join Date: May 2010 Location: Stuart Florida Posts: 147	Re: Rear Main Bearing Oil Behavior About ten years ago a nice 1930 Model A came into the shop with a small rear main leak. I dropped the pan. Bearings were a little loose and no rear main drain tube. Did not adjust the bearings. Thought I found the problem. Installed drain pipe, installed pan with new gaskets. Started engine and the leak was worse. Removed pan, removed oil drain, reinstalled pan with new gaskets. Started engine slight leak as before. Advised the customer that engine had to be removed to adjust the bearings or to rebuild the engine. Customer decided on rebuild while out our car due to other problems. Fresh rebuild no leaks. Ten years later slight leak. Maybe Bob has something going.