For 1990-2009 cars only
Removal Procedure
- Drain the transfer case fluid, if necessary. Refer to Transfer Case Fluid Replacement .
- Remove the exhaust system. Refer to Exhaust System Replacement .
- Remove the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
- Support the transmission with a suitable screw jack and a block of wood.
- Remove the transmission mount-to-body bolts.
- Using the jack, lower the transmission enough to access the transmission mount-to-transfer case mounting bolts.
- Remove the transmission mount-to-transmission case mounting bolts.
- Remove the transmission mount assembly from the vehicle.
- Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
- Using another suitable adjustable jack, support the transfer case.
- Remove the transfer case bolts.
- Remove the transfer case.
Important: Do not remove the jack and block of wood from under the transmission.
Installation Procedure
- Apply grease GM P/N 1051344 (Canadian P/N 993037), or equivalent, on the input splines starting from the front edge to 10 mm inward in a continuous pattern around the inside diameter (ID) of the splines to completely fill the splines.
- Install the transfer case.
- Install the transfer case-to-transmission bolts.
- Remove the adjustable jack from the transfer case.
- Install the transmission mount assembly. Refer to Transmission Rear Mount Replacement .
- Remove the jack and block of wood from under the transmission.
- Install the front propeller shaft. Refer to Front Propeller Shaft Replacement .
- Install the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
- Install the exhaust system. Refer to Exhaust System Replacement .
- Refill the transfer case with fluid. Refer to Transfer Case Fluid Replacement .
Notice: Refer to Fastener Notice in the Preface section.
Tighten
Tighten the case-to-transmission bolts to 60 N·m (44 lb ft).
