Harsh, Soft, Delayed or Slipping Second, Third, Fourth, Sixth or Eighth 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
2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Assembly (60)	Inspect for damaged or worn 2-3-4-6-8 clutch plates (545 - 548). Inspect for damaged 2-3-4-6-8 clutch piston (526), clutch housing (521), return spring (527), piston dam (529), and apply ring (544). Inspect for damaged 2-3-4-6-8 clutch piston dam retaining ring (531). Inspect for cut, worn or damaged 2-3-4-6-8 clutch piston seal (525), and dam seals (522, 528, 530). Inspect for improper selective 2-3-4-6-8 clutch backing plate retaining ring (550). Inspect for damaged 2-3-4-6-8 clutch backing plate (549). Inspect for worn splines on backing plate.

Checks

Causes

2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Assembly (60)

Inspect for damaged or worn 2-3-4-6-8 clutch plates (545 - 548).
Inspect for damaged 2-3-4-6-8 clutch piston (526), clutch housing (521), return spring (527), piston dam (529), and apply ring (544).
Inspect for damaged 2-3-4-6-8 clutch piston dam retaining ring (531).
Inspect for cut, worn or damaged 2-3-4-6-8 clutch piston seal (525), and dam seals (522, 528, 530).
Inspect for improper selective 2-3-4-6-8 clutch backing plate retaining ring (550).
Inspect for damaged 2-3-4-6-8 clutch backing plate (549). Inspect for worn splines on backing plate.