Fluid - Transfer Case: Service and Repair

Transfer Case Fluid Replacement

Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.





2. Remove the fill plug.





3. Remove the drain plug.

Important: Ensure that an approved drain pan is used when draining the transfer case.

4. Allow the transfer case to drain completely.

Installation Procedure
1. Apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the drain plug threads.

Notice: Refer to Fastener Notice in Service Precautions.





2. Install the drain plug.
Tighten the drain plug to 27 Nm (20 ft. lbs.).
3. Fill the transfer case with the proper fluid.





4. Apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the fill plug threads.
5. Install the fill plug.
Tighten the fill plug to 27 Nm (20 ft. lbs.).
6. Lower the vehicle. Refer to Vehicle Lifting.