Sierra Denali AWD V8-6.2L (2008)
Important: Use only drain and fill plugs that are made from aluminum. Steel or brass plugs are not compatible with the magnesium case.
1. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the drain and fill plugs.
Notice: Refer to Fastener Notice .
2. Install the drain plug.
Tighten the plug to 25 N.m (18 lb ft).
3. Fill the transfer case to the bottom of the fill plug hole with the recommended fluid. Refer to Sealers, Adhesives, and Lubricants (See:
Specifications/Fluid Type Specifications/BW 4485-NR3 - Transfer Case) .
4. Install the fill plug.
Tighten the plug to 25 N.m (18 lb ft).
5. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement (See: Service and Repair/Removal and Replacement/BW
4485-NR3 - Transfer Case/Transfer Case Shield Replacement) .
6. Lower the vehicle.
