For 1990-2009 cars

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 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.