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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 Second or Fourth Gear

Noise in Second or Fourth Gear

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Noise in Second or Fourth Gear

Checks Causes
Hybrid Direct 2-3-4 Clutch Assembly (462)
  • Inspect for damaged or worn output carrier outer sun gear shaft front bushing.
  • Inspect for damaged or worn output carrier outer sun gear shaft rear bushing.
  • 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.
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