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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Transfer Case - BW 4485-Nr3) >> Diagnostic Information and Procedures >> Transfer Case Whine or Rumble Noise

Transfer Case Whine or Rumble Noise

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Transfer Case Whine or Rumble Noise

Cause Correction
DEFINITION: A faulty internal transfer case component that causes a whine noise in the transfer case.
Review the Symptoms - Transfer Case  and perform the necessary inspections.
Faulty bearings
  1. Inspect all of the bearings and journals. Refer to Transfer Case Cleaning and Inspection .
  2. Replace any faulty bearings, and any components with faulty bearing journals. Refer to Transfer Case Disassemble , and Transfer Case Assemble .
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