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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1585 (Rear Drive Axle) >> Diagnostic Information and Procedures >> Noise in Addition to Normal Clutch Engagement

Noise in Addition to Normal Clutch Engagement

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Checks Action
The clutch plates are broken Replace the clutch plates. Refer to the following:
The thrust block is broken Replace the thrust block with a block of identical thickness. Check closely for other damage. Refer to Locking Differential Disassemble (10.5 Inch Axle)  or Locking Differential Disassemble (8.6/9.5LD /11.5 Inch Axles)  and Locking Differential Assemble (10.5 Inch Axle)  or Locking Differential Assemble (8.6, 9.5, 11.5 Inch Axles) .
The case is damaged Replace the unit. Refer to Differential Replacement (8.6, 9.5/9.5 LD Inch Axles)  or Differential Replacement (10.5 Inch, 11.5 Inch Axle) .
The differential gears are broken Replace the gears. Refer to the following:
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