Yukon XL 4WD V8-5.3L (2011)
Note: 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.
Caution: Refer to Fastener Caution See: Service Precautions/Vehicle Damage Warnings/Fastener Caution.
2. Install the drain plug.
Tighten the plug to 25 Nm (18 lb ft).
3. Fill the transfer case to the bottom of the fill plug hole with the recommended fluid.
4. Install the fill plug.
Tighten the plug to 25 Nm (18 lb ft).
5. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement See: Service and Repair/Removal and
Replacement/Transfer Case Shield Replacement.
6. Lower the vehicle.
