Installation Procedure

Fig 1: Transfer Case Drain Plug

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

IMPORTANT: If the drain or fill plug have to be replaced, used only aluminum replacement drain plugs.

Apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads on the drain plug.
Install the drain plug in the transfer case.
Tighten: Tighten the drain plug to 25 N.m (18 lb ft).
Fill the transfer case to the bottom of the fill hole with the proper fluid.
Apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads on the drain plug.
Install the fill plug.
Tighten: Tighten the fill plug to 25 N.m (18 lb ft).
Lower the vehicle. Refer to Lifting and Jacking the Vehicle .