Intermittent Noise
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
| Cause | Correction |
|---|---|
| Inspect for the proper transaxle and gear oil levels prior to performing system diagnosis. | |
| Incorrect gear oil in the power transfer unit | Replace the gear oil. Refer to Adhesives, Fluids, Lubricants, and Sealers . |
| Power transfer unit bearing. A chatter or ratcheting type noise during hard acceleration on tight turns. |
Confirm noise is coming from the power transfer unit. Repair as required. |