Harsh, Soft, Delayed or Slipping 4-5-6 Shift
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Checks |
Causes |
| 4-5-6 (with Turbine Shaft) Clutch Assembly (56) |
- Inspect for damaged or worn clutch plates (433-435).
- Inspect for damaged piston (439), piston dam (437), dam retaining ring (436), and clutch spring (438).
- Inspect for improper selective 4-5-6 clutch backing plate retaining ring (431).
- Inspect for cut, worn, or damaged turbine shaft fluid seal rings (442).
- Inspect for cut, worn, or damaged a/trans fluid pump seal assembly (19).
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