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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1459 (Rear Drive Axle) >> Diagnostic Information and Procedures >> Rear Drive Axle Noises >> Knock at Low Speeds

Knock at Low Speeds

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