Sierra 1500 2WD V8-5.3L (2008)
1. Apply a thin bead of sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the oil drain plug threads.
Notice: Refer to Component Fastener Tightening Notice .
2. Install the oil drain plug (2).
Tighten the plug to 37 N.m (27 lb ft).
3. Fill the transmission with the proper fluid to just below the bottom of the fill plug hole.
4. Apply a thin bead of sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the oil fill plug threads.
5. Install the oil fill plug (1).
Tighten the plug to 37 N.m (27 lb ft).
6. Lower the vehicle.