Constant Noise
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
CONSTANT NOISE CAUSE
| Cause | Correction |
|---|---|
| Inspect for proper gear oil levels prior to performing system diagnosis. | |
| Low gear oil levels | Faulty oil seal or other types of leaks may contribute to lower than required fluid levels. Refer to REAR AXLE LUBRICANT LEAK DIAGNOSIS . Fill to the proper level with gear oil, GM P/N 12378514 (Canadian P/N 88901045). Refer to REAR AXLE LUBRICANT REPLACEMENT . |
| Worn or loose axle mounts | Repair or replace axle mounts as required. Refer to DIFFERENTIAL HOUSING SUPPORT BUSHING REPLACEMENT (FRONT) and DIFFERENTIAL HOUSING SUPPORT BUSHING REPLACEMENT (REAR) . |
| Worn propeller shaft constant velocity or universal joints | Replace the universal joints as required. Refer to PROPELLER SHAFT REPLACEMENT
. If constant velocity joint is damaged, replace the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT . |
| Worn propeller shaft center bearing assembly | Replace the center bearing assembly. Refer to PROPELLER SHAFT REPLACEMENT . |
| Bearing noise within axle assembly | This type of noise will decrease or increase relative to the vehicle speed.
|
| Gear set whine noise within the carrier assembly caused by incorrect backlash | A whine type of noise will increase or decrease relative to the vehicle speed.
|