Extension Case: Installation

Clean the mating surface of extension case and transmission case.
Select the transfer drive gear shim. <Ref. to ADJUSTMENT , Reduction Drive Gear.>
Select the transfer driven gear shim. <Ref. to ADJUSTMENT , Transfer Clutch.>
Attach the selected transfer drive gear shim to extension case with vaseline.
Attach the selected transfer driven gear shim to extension case with vaseline.
Install the O-ring to the transmission case.
NOTE:
- Use new O-rings.
- Apply CVTF to the O-rings.
Fig 1: Locating O-Rings
Courtesy of SUBARU OF AMERICA, INC.
Apply liquid gasket to extension case seamlessly.
Liquid gasket:

THREE BOND 1215B or equivalent

Fig 2: Liquid Gasket Applying Area - Extension Case
Courtesy of SUBARU OF AMERICA, INC.
Install the extension case to transmission hanger.
Tightening torque:

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

Fig 3: Extension Case Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the transmission assembly. <Ref. to INSTALLATION , Automatic Transmission Assembly.>