No First and Reverse Gears
WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
| Checks |
Causes |
| 1-Reverse and 1-2-3-4-5-6 Clutch Piston Housing (521) |
- Inspect for stripped or sheared internal or external splines on Low and Reverse Clutch Assembly (521)
- Inspect for broken or disengaged retainer ring
|
| Low and Reverse Clutch (590) |
- Inspect for stripped or sheared splines on Low and Reverse Clutch Plates (596 - 597)
- Inspect for damaged, deformed or improper surface finish on the Low and Reverse Clutch Plates (596 - 597)
- Inspect for stripped or sheared splines on Low and Reverse Clutch Backing Plate (598)
- Inspect for worn, damaged or debonding Low and Reverse Clutch Piston Seals (592)
- Inspect for broken or fatigued Low and Reverse Clutch Piston Return Spring (593)
|
| 1-2-3-4-5-6 Clutch Piston (592) |
- Inspect for disengaged or broken Low and Reverse Clutch Piston Spring Retainer (594)
- Inspect for broken or deformed Low and Reverse Clutch Piston (592)
- Inspect for damaged or improper surface finish in the piston bore
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