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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 207 (Transfer Case - Mp 3023/3024-NQH) >> Diagnostic Information and Procedures >> Transfer Case Whine or Rumble Noise

Transfer Case Whine or Rumble Noise

WARNING: This page is about a different car, the 2009 GMC Yukon, 2009 Chevrolet Tahoe, 2009 Chevrolet Suburban, and 2009 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Cause Correction
DEFINITION: A faulty internal transfer case component that causes a whine or rumbling 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 Rear Output Shaft Cleaning and Inspection , Front Output Shaft and Input Shaft Cleaning and Inspection , and Drive Chain, Drive Sprocket, and Driven Sprocket 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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