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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 TRANSFER CASE - OVERHAUL - NVG 246-NP8.
  2. Replace any faulty bearings, and any components with faulty bearing journals. Refer to TRANSFER CASE DISASSEMBLE and TRANSFER CASE ASSEMBLE in TRANSFER CASE - OVERHAUL - NVG 246-NP8.
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