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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 Fourth Gear

Noise in Fourth Gear

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Noise in Fourth Gear

Checks Causes
Sun Gear Thrust Washer 1st 2nd and 3rd Position Inspect for wear or damage.
Input Shaft Thrust Bearing (60) Inspect for wear or damage.
4th Clutch Hub Assembly
  • Inspect for damaged or worn 4th clutch backing plate.
  • Inspect for improper selective 4th clutch backing plate retraining ring.
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