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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Transfer Case - BW 4473-NP3) >> 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 or rumble 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 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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