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1992 Buick Skylark Base 2D Coupe

1992 Buick Skylark
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June 5, 2011, 2:43 pm

Abbey J

Question: Is this a main seal leak or oil pan?

Driving fine when oil light came on, hear engine knocking, oil gauge says empty..make it home, does not overheat on the way, check oil, none on stick, visible oil splatter around lower parts. Is this a main seal or an oil pan leak? Very sudden, had just checked oil a few days before and was only about 1/2 qt low...

June 7, 2011, 12:27 am

Richard W
Expert Mechanic

I could not tell you which one it is with out looking at it. Go to the parts store and buy some UV leak detector. That will show you where it is coming from.

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