Installation Procedure
- Raise the transfer case into position and slide it onto the transmission output shaft.NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
- Install the 10 transfer case-to-transmission bolts.
Tighten
- Tighten the 10 transfer case-to-transmission bolts to 28 N.m (21 lb ft).
- Install the breather hose to the gearshift lever case. Secure with the 1 clamp.
- Install the breather hose to the cover. Secure with the 1 clamp.
- Install the gearshift lever case to the rear case manual transmission equipped vehicles.
- Install the transfer case crossmember (1) to the undercarriage. Secure the crossmember with the 6 bolts (3).
Tighten
- Tighten the transfer case crossmember bolts to 50 N.m (37 lb ft).
- Install the following:
- The skid plate (2)
- The 2 transfer case braces
- Secure the skid plate and the 2 braces with the 6 nuts and the bolts (1,4).
Tighten
- Tighten the transfer case skid plate bolts and the nuts to 50 N.m (37 lb ft).
- Remove the hydraulic jack from under the transfer case.
- Install the sensor harness to the crossmember.
- Install the ground wire and bolt.
- Install the rear propeller shaft into the vehicle aligning the reference marks made during the removal. Secure the rear propeller shaft with the 4 bolts and 4 nuts.
Tighten
- Tighten the rear propeller shaft bolts and nuts to 50 N.m (37 lb ft).
- Install the front propeller shaft into the vehicle aligning the reference marks made during removal. Secure the front propeller shaft the 4 bolts and the 4 nuts, if equipped.
Tighten
- Tighten the front propeller shaft bolts and nuts to 50 N.m (37 lb ft).
- Apply GM P/N 12346004 or the equivalent, to the threaded portion of the transfer case drain plug.
- Connect the VSS (2) to the case.
- Install the transfer case drain plug (2) into the transfer case.
Tighten
- Tighten the transfer case drain plug to 28 N.m (21 lb ft).
- Add approximately 1.7 liters (1.8 qts) of 75W-90 GL4 lubricant, or the equivalent, into the transfer case oil level/filler plug hole. The oil level should be even with the bottom of the oil level/filler plug (1).
- Apply GM P/N 12346004
(Canadian P/N 10953480), or the equivalent, to the threaded portion of the transfer case oil level/filler plug (1).
- Install the transfer case oil level/filer plug (1) into the transfer case.
Tighten
- Tighten the transfer case oil level/filler plug (1) to 28 N.m (21 lb ft).
- Lower the vehicle.
- Install the 4 bolts to the fan shroud at the radiator.
Tighten
- Tighten the fan shroud bolt to 10 N.m (89 lb in).
- Connect the four-wheel drive switch electrical connector (2) to the four-wheel drive switch (1).
- Install the four-wheel drive low switch electrical connector (3) to the four-wheel drive low switch (4).
- Install the gearshift control lever. Refer to SHIFT LEVER REPLACEMENT - ON VEHICLE .
- Connect the negative battery cable.