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.
Oil Pump Drive O-Ring May Leak Oil on Pontiac Grand Prix
Average mileage: (–)
Engine affected: 3.4L V6
6 people reported this problem
0 people shared problem details
Puddle of oil under car everyday and am adding about 4 quarts a week
I bought this car new in 2002. It has 154,000 miles on it. I have always ran 10-30 synthetic valoline oil in it since day one and have changed oil and filter every 3000 to 5000 miles and still ha...
fuel pump pumping fuel in to air cleaner when i turn key on. to much fuel to be able to start