Noisy in Drive
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.
Noisy in Drive
| Checks |
Action |
| Excessive pinion to ring gear backlash |
Adjust the pinion to ring gear backlash. Refer to Backlash Adjustment (8.6 Inch Axle) or Backlash Adjustment (9.5 LD Axle) or Backlash Adjustment (10.5, 11.5 Inch Axles) . |
| Worn pinion and ring gear |
Replace the pinion and the ring gear. Refer to Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5LD, and 11.5 Inch Axles) or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) . |
| Worn pinion bearings |
Replace the pinion bearings. Refer to Drive Pinion Bearings Replacement (8.6, 9.5/9.5LD, and 11.5 Inch Axles) . |
| Loose pinion bearings |
Adjust the pinion bearings preload. Refer to Pinion Depth Adjustment (8.6, 9.5/9.5LD, and 11.5 Inch Axles) or Pinion Depth Adjustment (10.5 Inch Axle) . |
| Excessive pinion end play |
Adjust the pinion end play. Refer to Pinion Depth Adjustment (8.6, 9.5/9.5LD, and 11.5 Inch Axles) or Pinion Depth Adjustment (10.5 Inch Axle) . |
| Worn differential bearings |
Replace the differential bearings. Refer to Differential Side Bearings Replacement (All Except 9.75 Inch Axle) . |
| Loose differential bearings |
Adjust the differential bearing preload. Refer to Differential Side Bearing Preload Adjustment (8.6 Inch Axle) or Differential Side Bearing Preload Adjustment (9.5, and 9.5LD Inch Axles) or Differential Side Bearing Preload Adjustment (10.5 Inch, 11.5 Inch Axles) . |
| Excessive ring gear runout |
Replace the ring gear. Refer to Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5LD, and 11.5 Inch Axles) or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) . |
| Low oil level |
Fill the fluid level to specifications with the proper lubricant. Refer to Rear Axle Lubricant Level Inspection (8.6 Inch Axle) or Rear Axle Lubricant Level Inspection (11.5 Inch Axle) or Rear Axle Lubricant Level Inspection (9.5LD Inch Axle) or Rear Axle Lubricant Level Inspection (9.5 Inch HD and 10.5 Inch Axles) . |
| Wrong or poor grade oil |
Drain and refill the system with the proper lubricant. Refer to Rear Axle Lubricant Replacement (8.6 Inch Axle) or Rear Axle Lubricant Replacement (9.5 LD Axle) or Rear Axle Lubricant Replacement (9.5 Inch HD and 10.5 Inch Axles) . |
| Bent axle housing |
Replace the axle housing. Refer to Rear Axle Housing Replacement (w/Rear Disc) or Rear Axle Housing Replacement (w/Rear Drum) . |