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Home >> GMC >> 2009 >> Acadia SLT, FWD >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 6T75 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Diagnostic Information And Procedures >> No Second and Sixth Gear

No Second and Sixth Gear

Checks Causes
2-6 Clutch Assembly
  • Inspect for damaged or worn 2-6 Clutch Plates (445-447)
  • Inspect for damaged, worn, broken, improper surface finish or sheared splines on the 2-6 clutch backing plate (448)
  • Inspect for damaged or broken 2-6 clutch piston (405) and piston seals damaged, worn or delaminating
  • Inspect for broken or binding 2-6 clutch piston return spring (406)
  • Inspect for broken or disengaged 2-6 Clutch Piston Return Spring Retainer (407)
Reaction Carrier Assembly (467)
  • Inspect for stripped or sheared splines on the Input Ring Gear
  • Inspect for disengaged or broken Input Ring Gear Retainer