Constant Noise
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Checks | Action |
|---|---|
| Flat spot on the pinion or the ring gear teeth | Replace the pinion and the ring gear. Refer to Differential Carrier Assembly Disassemble (9.25 Inch Axle) . |
| Flat spot on the pinion bearing | Replace the bearing. Refer to Differential Carrier Assembly Disassemble (9.25 Inch Axle) . |
| Worn pinion splines | Replace the pinion. Refer to Differential Carrier Assembly Disassemble (9.25 Inch Axle) . |