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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1724 (Automatic Transmission - 2ML70 - Symptom Troubleshooting And Diagnosis) >> No Second Gear

No Second Gear

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
Hybrid Direct 2-3-4 Clutch Assembly
  • Inspect for damaged or worn 2-3-4 clutch plates.
  • Inspect for damaged 2-3-4 clutch backing plate. Inspect for worn splines on backing plate.
  • Inspect for damaged 2-3-4 clutch backing plate retaining ring.
  • Inspect for damaged 2-3-4 clutch piston assembly, spring, retaining ring, and center support assembly.