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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 >> Noise in First or Reverse Gear

Noise in First or Reverse Gear

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Noise in First or Reverse Gear

Checks Causes
Hybrid Low 1-2 Clutch Assembly
  • Inspect for damaged or worn 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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