Your Authorized Saab Service Center

Rod & Main Bearings

Symptom
Knocking noise from engine when accelerating or under load. Sometimes knock is present all of the time. Low oil pressure light may be on.

Cause
Poor quality oil, infrequent and extended oil change intervals, loss of oil pressure, over-revving, high mileage, harsh driving habits.

Cure
Bearing replacement is possible in some cases. Replacement or rebuilding of the engine short block in most.

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