Grand Prix

Oil Pump Drive O-ring May Leak Oil From Rear of Engine on Pontiac Grand Prix

Problem Description and Possible Solution

An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.

Problem Data
RepairPal Verified
Average mileage: 90,000 (90,000–90,000)
Engines affected: 3.1L V6, 3.8L V6
11 model years affected: 1992, 1994, 1995, 1996, more1997, 1998, 1999, 2000, 2001, 2002, 2003
14 people reported this problem
Viewing 1 - 1 of 1 comments
Had a leak for a month before I got it fixed. It was leaking from the rear of the engine. My mechanic said that it was a 22 cent o ring that goes on these vehicles a lot.