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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1585 (Rear Drive Axle) >> Diagnostic Information and Procedures >> Noisy When Coasting

Noisy When Coasting

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
DEFINITION: Noise is audible when slowing down and disappears when driving.
Worn pinion and ring gear Adjust or replace the pinion and the ring gear. Refer to Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5 LD, and 11.5 Inch Axles)  or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) .
Pinion and ring gear too tight Adjust the pinion and the ring gear backlash. Refer to Backlash Adjustment (8.6 Inch Axle)  or Backlash Adjustment (10.5/11.5 Inch Axle)  or Backlash Adjustment (9.5 LD Axle) .
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