Sierra Denali AWD V8-6.2L (2008)
Fluid - Transfer Case: Service and Repair
BW 4485-NR3 - Transfer Case
Transfer Case Fluid Replacement
Removal Procedure
Important: When performing the following procedure, use only hand tools to remove and install the drain and fill plugs.
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement (See: Transmission and Drivetrain/Transfer
Case/Service and Repair/Removal and Replacement/BW 4485-NR3 - Transfer Case/Transfer Case Shield Replacement) .
3. Remove the fill plug.
4. Remove the drain plug.
Important: Ensure that an approved drain pan is used when draining the transfer case.
5. Allow the transfer case to drain completely.
Installation Procedure