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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1676 (Rear Drive Axle) >> Diagnostic Information and Procedures >> Intermittent Noise

Intermittent Noise

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Cause Correction
Inspect for proper gear oil levels prior to performing system diagnosis.
Low gear oil levels Fill axle to the recommended level.
Refer to Differential Oil Replacement .
A low level may create intermittent or incomplete clutch park engagement.
Incorrect gear oil Replace with gear oil, GM P/N 12378514 (Canadian P/N 88901045).
Refer to Differential Oil Replacement .
Incorrect gear oil may create improper clutch pack engagement or a slippage condition.
Worn clutch pack oil pump Replace the clutch pack assembly.
Worn clutch pack friction discs Replace the clutch pack assembly.
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