Extension Case Oil Seal: Replacement

Clean the transmission exterior.
Drain the ATF completely.
NOTE: Tighten the drain plug (ATF) after draining the ATF.
1. Tightening torque: 25 N.m (2.5 kgf-m, 18.1 ft-lb)
Fig 1: Identifying Drain Plug (ATF) For Tightening
Courtesy of SUBARU OF AMERICA, INC.
Remove the rear exhaust pipe and muffler.
Non-turbo model

< Ref. to REMOVAL , Rear Exhaust Pipe . > < Ref. to REMOVAL , Muffler . > Turbo model

< Ref. to REMOVAL , Rear Exhaust Pipe . > < Ref. to REMOVAL , Muffler . >
Remove the heat shield cover. (If equipped)
Remove the propeller shaft.
Using the ST, remove the oil seal.
ST 398527700 PULLER ASSY
Using the ST, install the oil seal.
ST 498057300 INSTALLER
Install the propeller shaft.
Install the heat shield cover. (If equipped)
Install the rear exhaust pipe and muffler.
Non-turbo model

< Ref. to INSTALLATION , Rear Exhaust Pipe . > < Ref. to INSTALLATION , Muffler . >

Turbo model

< Ref. to INSTALLATION , Rear Exhaust Pipe . > < Ref. to INSTALLATION , Muffler . >
Pour ATF and check the ATF level. < Ref. to AUTOMATIC TRANSMISSION FLUID . >