Question about Hummer Cars & Trucks
If your sure it's not the cover or rear main. That only leaves the head and or head gasket(not likely). I'm rebuilding an H3 3.5 now. I would guess it is a valve cover if the leak is on the drivers side. Because you can not see the cover on that side because of the air plenum. The plenum is one piece all the way down that side. The cover could be leaking kind of close to the front, but flows back over the plenum side mount to the back. The only other thing that may back there would be the crank sensor. That would be on the drivers side also.
Posted on Dec 26, 2016
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Posted on Jan 02, 2017
SOURCE: 97 neon oil leak
Rear main seal is probably the problem.
My 1997 Dodge Neon has this same problem. My father-in-law (who used to be a mechanic) checked the car for me and found the rear main seal needs replacing.
Posted on Dec 10, 2008
It is a Valve Cover Gasket. You can get a new one at any Auto Parts Store. To make this repair last longer, Do not get the Cheap one, Get a Felpro Gasket and it will Quadrupel the Gasket Life. Please Rate My Response! Thanks!
Posted on Jan 30, 2009
make sure they are tight
could be time for head gaskets
make sure the old gasket from the old filter came off the block sometimes they come off old filter and stick this causes a leak due to improper seal.
Posted on Apr 10, 2009
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