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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, Second, or Reverse Gear

Noise in First, Second, or Reverse Gear

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Noise in First, Second, or Reverse Gear

Checks Causes
Hybrid Low, 1-2 Clutch Assembly (428) Inspect for worn or damaged output carrier outer sun gear shaft front and rear bushings.
Sun Gear Carrier Assembly - 3rd Position (434) Inspect for a worn or damaged roller bearing assembly.