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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 6L80/6L90 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Diagnostic Information And Procedures >> No Drive or Reverse Gear

No Drive or Reverse Gear

Checks Causes
4-5-6 (with Turbine Shaft) Clutch Assembly (56)
  • Inspect for damaged 4-5-6 clutch (with turbine shaft) housing assembly (441).
  • Inspect for damaged or distorted turbine shaft.
1-2-3-4 Clutch (with Output Carrier Inner Sun Gear Shaft) Hub Assembly (61) Inspect for damaged or distorted shaft on hub assembly.
2-6 and 3-5-R Clutch (with Output Carrier Outer Sun Gear Shaft) Hub Assembly (64)
  • Inspect for damaged or distorted shaft on hub assembly.
  • Inspect the output carrier inner sun gear shaft bushings (60 and 62) for damage or wear.