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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS MHU MQC) - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> Harsh, Soft, Delayed or Slipping Second, Third, Fourth, Fifth, Seventh, Ninth, or Tenth Shift

Harsh, Soft, Delayed or Slipping Second, Third, Fourth, Fifth, Seventh, Ninth, or Tenth Shift

Checks Causes
2 - 3 - 4 - 5 - 7 - 9 - 10 Clutch Assembly
  • Inspect for damaged or worn 2 - 3 - 4 - 5 - 7 - 9 - 10 clutch plates (507, 508).
  • Inspect for damaged 2 - 3 - 4 - 5 - 7 - 9 - 10 clutch piston (515), return spring (514), piston dam (513).
  • Inspect for damaged 2 - 3 - 4 - 5 - 7 - 9 - 10 clutch piston dam retaining ring (510).
  • Inspect for cut, worn or damaged 2 - 3 - 4 - 5 - 7 - 9 - 10 clutch piston seal (512, 516, 517), and dam seals (511).
  • Inspect for improper selective 2 - 3 - 4 - 5 - 7 - 9 - 10 clutch backing plate retaining ring (505).
  • Inspect for damaged 2 - 3 - 4 - 5 - 7 - 9 - 10 clutch backing plate (506). Inspect for worn splines on backing plate.
  • Inspect for damaged triple clutch housing (518).