Harsh, Soft, Delayed or Slipping First, Second, Third, Fourth, Sixth, Seventh, Eighth, Tenth,

Automatic Transmission - 10L80 MHS MQC | Diagnostic Information and Procedures | Document ID: 4578449 Harsh, Soft, Delayed or Slipping First, Second, Third, Fourth, Sixth, Seventh, Eighth, Tenth, or Reverse Shift Harsh, Soft, Delayed or Slipping First, Second, Third, Fourth, Sixth, Seventh, Eighth, Tenth, or Reverse Shift

Checks	Causes
1-2-3-4-6-7-8-10-Reverse Clutch Assembly	Inspect for damaged or worn 1-2-3-4-6-7-8-10-Reverse clutch plates (544–545). Inspect for damaged 1-2-3-4-6-7-8-10-Reverse clutch piston (538), return spring (539), and piston dam (540). Inspect for damaged 1-2-3-4-6-7-8-10-Reverse clutch piston dam retaining ring (541). Inspect for cut, worn or damaged 1-2-3-4-6-7-8-10- Reverse clutch piston seals (536, 537). Inspect for improper selective 1-2-3-4-6-7-8-10- Reverse clutch backing plate retaining ring (547). Inspect for damaged 1-2-3-4-6-7-8-10-Reverse clutch backing plate (546). Inspect for worn splines on backing plate. Inspect for damaged 1-2-3-4-6-7-8-10-Reverse clutch apply plate (542). Inspect for worn splines on apply plate. Inspect for damaged triple clutch housing (520).

Checks

Causes

1-2-3-4-6-7-8-10-Reverse Clutch Assembly

Inspect for damaged or worn 1-2-3-4-6-7-8-10-Reverse clutch plates (544–545). Inspect for damaged 1-2-3-4-6-7-8-10-Reverse clutch piston (538), return spring (539), and piston dam (540). Inspect for damaged 1-2-3-4-6-7-8-10-Reverse clutch piston dam retaining ring (541). Inspect for cut, worn or damaged 1-2-3-4-6-7-8-10- Reverse clutch piston seals (536, 537). Inspect for improper selective 1-2-3-4-6-7-8-10- Reverse clutch backing plate retaining ring (547). Inspect for damaged 1-2-3-4-6-7-8-10-Reverse clutch backing plate (546). Inspect for worn splines on backing plate. Inspect for damaged 1-2-3-4-6-7-8-10-Reverse clutch apply plate (542). Inspect for worn splines on apply plate. Inspect for damaged triple clutch housing (520).