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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 953 (Transfer Case - NVG 261-NP2) >> Diagnostic Information & Procedures >> Transfer Case Whine or Rumble Noise

Transfer Case Whine or Rumble Noise

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
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 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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