Extension Case: Installation

WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

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: Identifying O-Ring
Courtesy of SUBARU OF AMERICA, INC.
Apply liquid gasket to extension case seamlessly.
Liquid gasket:

THREE BOND 1215B or equivalent

Fig 2: Identifying Liquid Gasket Applying Area On 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: Identifying Transmission Hanger Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the transmission assembly. < Ref. to INSTALLATION , Automatic Transmission Assembly. >