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Home >> Chevrolet >> 2007 >> Avalanche 5.3 3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 899 (Automatic Transmission - 6L50/6L80/6L90 - Service, Diagnosis & Troubleshooting) >> No Drive or Reverse Gear

No Drive or Reverse Gear

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Cadillac Escalade EXT, 2007 Cadillac Escalade ESV, and 2007 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
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.