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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 360 (Automatic Transmission - 10L60 (MQA) Or 10L80 (MHU) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> Harsh, Soft, Delayed or Slipping First, Second, Eighth, Ninth, Tenth, or Reverse Shift

Harsh, Soft, Delayed or Slipping First, Second, Eighth, Ninth, Tenth, or Reverse Shift

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
1-2-8-9-10-Reverse Clutch Assembly
  • Inspect for damaged or worn 1-2-8-9-10-Reverse clutch plates (417, 418).
  • Inspect for damaged 1-2-8-9-10-Reverse clutch piston (414), return spring (416), and apply plate (415).
  • Inspect for damaged 1-2-8-9-10-Reverse clutch backing plate retaining ring - selective (420).
  • Inspect for damaged 1-2-8-9-10-Reverse clutch backing plate (419). Inspect for worn splines on backing plate.