Oil Pump Drive O-ring May Leak Oil From Rear of Engine on Chevrolet Venture

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.

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Average mileage: 118,000 (80,000–156,000)
Engine affected: 3.4L V6
9 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2004, 2005
11 people reported this problem
1 person shared problem details
*Please note: Engine was replace under warranty in Nov 2005 at <40,000 due to this problem. No burning oil again, but no signs of leakage on ground where vehicle parks or on engine itself.
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