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 Drive Pinion and Ring Gear Replacement (8.6 Inch, 9.5 Inch, 11.5 Inch Axles) , Drive Pinion and Ring Gear Replacement (9.75 Inch Axle) 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 (9.75 Inch Axle) . |