Noisy When Coasting
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Noisy When Coasting
| Cause | Correction |
|---|---|
| Inspect for the proper gear oil levels prior to performing system diagnosis. | |
| Loose propeller shaft mounting bolts. | Tighten the bolts as required. Refer to Propeller Shaft Replacement in Propeller Shaft. |
| Worn propeller shaft constant velocity joint | Replace the propeller shaft assembly. Refer to Propeller Shaft Replacement
in Propeller Shaft. A worn propeller shaft constant velocity joint may create a clicking, grinding, or snapping type of noise. |
| Worn or loose center bearing assembly | Replace the center bearing assembly as required. A worn center bearing assembly may cause vehicle vibration or a grinding or squealing type noise. |
| Worn universal joints | Replace the universal joints as required. A worn universal joint may create a clicking or snapping type noise. |
| Worn axle shaft constant velocity joints | Replace/repair the constant velocity joints as required. A worn axle shaft constant velocity joint may create a clicking, grinding, or snapping type noise. |
| Rear axle noise | Refer to Diagnostic Starting Point - Rear Drive Axle in Rear Drive Axle. |
| Loose mounting bracket | Tighten the bracket bolts or replace the bracket as required. |
| Loose transfer case-to-transmission mounting bolts. | Tighten the bolts as required. |
| Incorrect gear oil | Replace with GM gear oil Saturn P/N 12378514. |
| Bearing noise within the transfer case | A grinding or roar type noise will increase or decrease relative to the vehicle speed.
|
| Gear set whine noise within the transfer case | Whine type noises will increase or decrease relative to the vehicle speed, approximately 80-90 km/h (50-60 mph).
|