Transfer Case Whine or Rumble Noise. GMC Truck Yukon

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2006 🢒 Yukon - 4WD 🢒 Driveline/Axle 🢒 Transfer Case - BW 4481-NR3 🢒 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	Inspect all of the bearings and journals. Refer to Transfer Case Cleaning and Inspection in Transfer Case - BW 4481-NR3 Unit Repair. Replace any faulty bearings, and any components with faulty bearing journals. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - BW 4481-NR3 Unit Repair.

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

Inspect all of the bearings and journals. Refer to Transfer Case Cleaning and Inspection in Transfer Case - BW 4481-NR3 Unit Repair.
Replace any faulty bearings, and any components with faulty bearing journals. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - BW 4481-NR3 Unit Repair.