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Home >> Cadillac >> 2017 >> XTS Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 (M7U M7W), 6T75 (M7V), Or 6T80 (Mhm) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Harsh or Late Second and Sixth Shift

Harsh or Late Second and Sixth Shift

Checks Causes
2 - 6 Clutch Assembly
  • Inspect for worn or improper surface finish on the 2 - 6 Clutch Plates (446, 447) and Backing Plate (448)
  • Inspect for fatigued 2 - 6 Clutch Piston Cushion Spring (445)
Case Cover Assembly (403)
  • Inspect for damaged or broken 2 - 6 Clutch Piston (405) and piston seals damaged, worn or delaminating
  • Inspect for fatigued 2 - 6 Clutch Piston Return Spring (406)