Envoy 4WD V8-5.3L (2007)
Fluid - Transfer Case: Service and Repair
NVG 226-NP8 - Transfer Case
Transfer Case Fluid Replacement (TrailBlazer, Envoy, Rainier, Bravada)
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the fuel tank shield, if equipped. Refer to Fuel Tank Shield Replacement (TrailBlazer EXT, Envoy XL) Fuel Tank Shield Replacement
(TrailBlazer, Envoy).
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.
2. Install the drain plug.
Tighten the plug to 27 N.m (20 lb ft).
3. Fill the transfer case with the proper fluid. Refer to Approximate Fluid Capacities.