LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Automatic Transmission - 8L45 (M5N M5T) Or 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Harsh, Soft, Delayed or Slipping First, Second, Seventh, Eighth, or Reverse Shift

Harsh, Soft, Delayed or Slipping First, Second, Seventh, Eighth, or Reverse Shift

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
1-2-7-8 Reverse Clutch Assembly
  • Inspect for damaged or worn 1-2-7-8 Reverse clutch plates (585-588).
  • Inspect for damaged 1-2-7-8 Reverse clutch piston (582), clutch piston housing (581), return spring (583), and apply ring (584).
  • Inspect for damaged 1-2-7-8 Reverse clutch piston housing retaining ring (580).
  • Inspect for damaged or improper selective 1-2-7-8 Reverse clutch backing plate (589). Inspect for worn splines on backing plate.