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Noisy When Coasting

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Noisy When Coasting

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 Differential Carrier Assembly - Disassemble (8.25 Inch Axles)  or Differential Carrier Assembly - Disassemble (9.25 Inch Axle) .
Pinion and ring gear too tight Adjust the pinion and the ring gear backlash. Refer to Backlash Inspection and Adjustment .
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