Transfer Case Fluid Replacement (Trailblazer EXT, Envoy XL)

Transfer Case Fluid Replacement (TrailBlazer EXT, Envoy XL)

Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the transfer case shield, if equipped.





3. Remove the fill plug.





4. Remove the drain plug.

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 plug to 27 Nm (20 ft. lbs.).
3. Fill the transfer case with the proper fluid. Diagnosis Aids





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 plug to 27 Nm (20 ft. lbs.).
6. Install the transfer case shield, if equipped.
7. Lower the vehicle. Refer to Vehicle Lifting.