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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> No Drive or Reverse Gear

No Drive or Reverse Gear

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No Drive or Reverse Gear

Checks Causes
Hybrid Low 1-2 Clutch Assembly
  • Inspect for damaged 1-2 clutch housing assembly.
  • Inspect for damaged or distorted shaft.
4th Clutch Hub Assembly Inspect for damaged or distorted shaft on hub assembly.
Hybrid Direct 2-3-4 and 1-3 Clutch Hub Assembly
  • Inspect for damaged or distorted shaft on hub assembly.
  • Inspect the output carrier inner sun gear shaft bushings for damage or wear.