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.
Average mileage: 123,500 (86,000–150,000)
Engines affected: 3.1L V6, 3.4L V6
11 people reported this problem