Car Problem Reports

Oldsmobile Cutlass Supreme Oil Pump Drive O-Ring May Leak Oil

Oldsmobile Cutlass Supreme Problem
13 Reports
Me Too

Model Years Affected: 1991, 1992, 1993, 1994, 1995, 1996

Engines Affected: 3.1L V6, 3.4L V6

Average Mileage: 113,083 mi (68,000 mi - 150,000 mi)


An engine oil leak may develop from the oil pump drive O-ring. This can often be confused with an intake manifold gasket leak. Careful inspection is required to determine the exact cause of the leak. Replacement of the failed 0-ring will commonly correct this concern.

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