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Oil Pump Drive O-ring May Leak Oil From Rear of Engine on Oldsmobile Silhouette

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: 86,770 (22,674–150,867)
Engine affected: 3.4L V6
9 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2003, 2004
11 people reported this problem
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