Operation CHARM: Car repair manuals for everyone.

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.