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

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: 142,000 (95,000–186,000)
Engines affected: 2.2L 4 Cylinder, 2.4L 4 Cylinder, 3.4L V6
5 model years affected: 2000, 2001, 2002, 2003, more2004
10 people reported this problem
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problem details
2001 Oldsmobile Alero - 2.4L 4 Cylinder 186,000 mi,
it was actually the oil pressure sensor that went badand shot out 2 quarts of oil in 4 minutes of driving.
2003 Oldsmobile Alero - 3.4L V6 95,000 mi,
i got the same proble..no oil pressure or oil pumping in the motor..