Harsh, Soft, Delayed or Slipping First, Second, Third, Fourth, Fifth, or Reverse Shift

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Causes
1-2-3-4-5 Reverse Clutch Assembly	Inspect for damaged or worn 1-2-3-4-5 Reverse clutch plates (592 - 595). Inspect for damaged 1-2-3-4-5 Reverse clutch piston (406), clutch piston dam (402), and return spring (405). Inspect for cut, worn or damaged 1-2-3-4-5 Reverse clutch piston seals (403, 408), piston O-ring seal (404), dam seal (401), and dam inner O-ring seal (409). Inspect for damaged 1-2-3-4-5 Reverse clutch piston dam retaining ring (400). Inspect for damaged or improper selective 1-2-3-4-5 Reverse clutch backing plate retaining ring (590). Inspect for damaged 1-2-3-4-5 Reverse clutch backing plate (591). Inspect for worn splines on backing plate.

Checks

Causes

1-2-3-4-5 Reverse Clutch Assembly

Inspect for damaged or worn 1-2-3-4-5 Reverse clutch plates (592 - 595).
Inspect for damaged 1-2-3-4-5 Reverse clutch piston (406), clutch piston dam (402), and return spring (405).
Inspect for cut, worn or damaged 1-2-3-4-5 Reverse clutch piston seals (403, 408), piston O-ring seal (404), dam seal (401), and dam inner O-ring seal (409).
Inspect for damaged 1-2-3-4-5 Reverse clutch piston dam retaining ring (400).
Inspect for damaged or improper selective 1-2-3-4-5 Reverse clutch backing plate retaining ring (590).
Inspect for damaged 1-2-3-4-5 Reverse clutch backing plate (591). Inspect for worn splines on backing plate.