Have an oil leak and can't get to the cause

Asked by Feb 23, 2013 at 01:50 PM about the 1998 Buick Regal 4 Dr GS Supercharged Sedan

Question type: Maintenance & Repair

3 Answers

257,775

We'd all be guess on the location as well. Have someone local take a look at it on a lift to determine where it is leaking from.

7,835

what general areas do you see it?

70,995

If it's motor oil and you have the 3.8L V6 it's most likely the upper plenum. If you have that engine and the upper plenum and lower intake gaskets haven't been replaced yet that's the most likely suspect. Have both the upper plenum and lower intake gaskets replaced together if you decide to do it. HTH. -Jim

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