Extension Case: Installation

Clean the mating surface of the extension case and intermediate case.
Select the thrust needle bearing. Refer to , ADJUSTMENT , Rear Drive Shaft.
Select the shim for transfer reduction driven gear. Refer to , ADJUSTMENT , Transfer Reduction Driven Gear.
Install the selected thrust needle bearing to transfer clutch assembly.
NOTE: Install the thrust needle bearing in the correct direction.

Fig 1: Identifying Thrust Needle Bearing
Courtesy of SUBARU OF AMERICA, INC.
Attach the selected shim to transfer reduction driven gear assembly.
Apply liquid gasket to extension case seamlessly.
Liquid gasket:

THREE BOND 1215 (Part No. 004403007) or equivalent

Fig 2: Identifying Extension Case With Liquid Gasket
Courtesy of SUBARU OF AMERICA, INC.
Install the extension case.
Tightening torque:

25 N.m (2.5 kgf-m, 18.4 ft-lb)

Fig 3: Identifying Extension Case
Courtesy of SUBARU OF AMERICA, INC.
Install the front wheel speed sensor. Refer to , INSTALLATION , Front Wheel Speed Sensor.
Install the transmission assembly. Refer to , INSTALLATION , Automatic Transmission Assembly.