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Home >> Chevrolet >> 2012 >> Suburban C1500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1896 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> No First and Reverse Gears

No First and Reverse Gears

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
No First and Reverse Gears

Checks Causes
Hybrid Low 1-2 Clutch Assembly
  • Inspect for damaged or worn low and 1-2 clutch plates.
  • Inspect for damaged 1-2 clutch backing plate. Inspect for worn splines on backing plate.
  • Inspect for damaged 1-2 clutch backing plate retaining ring.
  • Inspect for damaged 1-2 clutch piston assembly, spring, spring retaining ring, and center support assembly.
Output Carrier Assembly Inspect for damaged or stripped splines on the output carrier assembly.
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