Suburban 4WD V8-5.3L (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 manual transmission and transfer case fluid GM P/N 88861800 (Canadian P/N
88861801).
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: Transmission and Drivetrain/Transfer Case/Service
and Repair/Removal and Replacement/BW 4485-NR3 - Transfer Case/Transfer Case Shield Replacement) .
6. Lower the vehicle.
