Oil Leak Pathfinder 2000 3.3

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gandulete670
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Location: Puerto Rico

Oil Leak Pathfinder 2000 3.3

Postby gandulete670 » Sun Nov 03, 2013 6:27 am

hello I need help my nissan pathfinder 2000 3.3 has a oil leak and I've searched but I see many spots on the valve cover and also looks down motor oil in between the engine and tranny thanks for your help.

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smj999smj
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Postby smj999smj » Sun Nov 03, 2013 10:06 am

You probably have a leaking valve cover gaskets....or gaskets, since there is definitely oil coming from above the bellhousing. You see a cam cover plate on back of the cylinder head; it's not a common leak but sometimes they do, but they are a pain to repair so no sense in replacing the gasket unless you are sure it's leaking. I would suggest replacing the valve cover gaskets and cleaning off the residual oil, then rechecking for leaks.
On VG engines, common leaks are also at the rear main seal and/or the rear lip seal of the oil pan. You likely have oil leaking there, as well. Unfortunately, you have to remove the trans (or engine) to access the rear main seal. Usually when I replace the rear main seal, I'll also clean the back of the oil pan with brake cleaner, dry, and smear a bead of RTV silicone along the back of the rear lip seal and oil pan to block seam.

gandulete670
Posts: 2
Joined: Sun Nov 03, 2013 5:33 am
Location: Puerto Rico

Postby gandulete670 » Sun Nov 10, 2013 4:51 am

OK thanks i am cleaning motor and check again


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