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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Drivelines & Axles >> Driveshaft & Universal Joints >> Propeller Shaft >> Diagnostic Information and Procedures >> Knock or Clunk Noise

Knock or Clunk Noise

Checks Action
DEFINITION: Knocking or clunking noise occurs when operating the vehicle in high gear or coasting in NEUTRAL at 16 km/h (10 mph).
One or more of the universal joints are worn or damaged. Replace the universal joint. Refer to the following:
The side gear hub counterbore in the differential is wornoversize. Replace the differential case and/or the side gears. Refer to Differential Replacement .