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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> General Information >> OEM General Information >> Vibration - Drivetrain >> Trouble Shooting >> Front Differential Assembly Noises >> Knock At Low Speeds

Knock At Low Speeds

A low speed knock can be caused by a differential case side gear bore that has worn oversize. Inspect the side gears and the differential case assembly and replace the components as necessary.