Section 4 (Automatic Transmission - 4L80-E/4L85-E - Service, Diagnosis & Trouble Shooting): Troubleshooting: Noise
WARNING: This page is about a different variant/trim than selected.
Noise
| Checks |
Cause |
| Torque Converter (1) |
- Loose lug bolts
- Out of balance
- Internal failure
|
| Transmission/Engine |
Misaligned |
| Case Extension (19) |
Output shaft support bushing is worn. |
| Reaction and Output Gear Sets |
Flats on gear teeth or teeth improperly machined |
| Oil Pan |
Dented |