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

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: 99,500 (45,000–154,000)
Engine affected: 3.4L V6
5 model years affected: 2001, 2002, 2003, 2004, more2005
7 people reported this problem
2 people shared problem details
Replace o-Ring
2002 Pontiac Aztek- 3.4L V6154,000
OIL PUMP DRIVE O RING LEAKING
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