Oil Pump problems of the 1999 Oldsmobile Silhouette

One problem related to oil pump has been reported for the 1999 Oldsmobile Silhouette. The most recently reported issues are listed below.

1 Oil Pump problem

Failure Date: 01/01/1901

Vehicles oil pump failed. Oil discharged from the engine around the gasket. Consumer was informed by mechanic that it was the relief valve on the oil pump which caused the oil to discharge, however consumer is not sure if the oil pump failre was related to the head gasket failure.




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