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Noise In Addition To Normal Clutch Engagement

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Noise in Addition to Normal Clutch Engagement

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 (8.6, 9.5LD Axles)  and Locking Differential Assemble (9.5 Inch Axle) .
The case is damaged Replace the unit. Refer to Differential Replacement (10.5 Inch, 11.5 Inch Axle)  or Differential Replacement (8.6, 9.5/9.5LD Inch Axles) .
The differential gears are broken Replace the gears. Refer to the following:
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