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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 260 (Propeller Shaft And Universal Joints) >> Diagnostic Information and Procedures >> Knock or Clunk Noise

Knock or Clunk Noise

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
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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 Universal Joint Replacement .
The side gear hub counterbore in the differential is worn oversize. Replace the differential case and/or the side gears. Refer to Differential Replacement (10.5 Inch Axle) or Differential Replacement (8.6 Inch Axle) .
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