Oil Seal: Replacement

WARNING: This page is about a different variant/trim than selected.

Disconnect the ground cable from battery.
Lift up the vehicle.
Remove the transmission under cover.

Fig 1: Identifying Transmission Under Cover
Courtesy of SUBARU OF AMERICA, INC.
Clean the transmission exterior.
Using the TORX® bit T70, remove the drain plug, and drain the transmission gear oil completely.
CAUTION:
- Immediately after the vehicle has been running or after idling for a long time, the gear oil will be hot. Be careful not to receive burns.
- Be careful not to spill the gear oil on the exhaust pipe, to prevent emission of smoke or causing a fire. If gear oil is spilled, wipe it off completely.
Attach the drain plug using TORX® bit T70.
NOTE: Use a new gasket.

Tightening torque:

44 N.m (4.5 kgf-m, 32.5 ft-lb) (aluminum gasket, silver)

70 N.m (7.1 kgf-m, 51.6 ft-lb) (copper gasket, brown)

70 N.m (7.1 kgf-m, 51.6 ft-lb) (metal gasket, black)

Fig 2: Identifying Drain Plug
Courtesy of SUBARU OF AMERICA, INC.
Remove the rear exhaust pipe. Ref. to EXHAUST(H4DO)>Rear Exhaust Pipe>REMOVAL .
Remove the center exhaust cover.

Fig 3: Identifying Center Exhaust Cover
Courtesy of SUBARU OF AMERICA, INC.
Remove the propeller shaft. Ref. to DRIVE SHAFT SYSTEM>Propeller Shaft>REMOVAL .
Using the ST, remove the oil seal.
ST 398527700 PULLER ASSY

Fig 4: Removing Oil Seal Using ST
Courtesy of SUBARU OF AMERICA, INC.
Using the ST, install the oil seal.
NOTE:
- When grease is not applied to the oil seal lips, apply the transmission gear oil to the oil seal lips.
- Use a new oil seal.
ST 498057300 INSTALLER

Fig 5: Installing Oil Seal Using ST
Courtesy of SUBARU OF AMERICA, INC.
Install the propeller shaft. Ref. to DRIVE SHAFT SYSTEM>Propeller Shaft>INSTALLATION .
Install the center exhaust cover.
Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Fig 6: Identifying Center Exhaust Cover
Courtesy of SUBARU OF AMERICA, INC.
Install the rear exhaust pipe. Ref. to EXHAUST(H4DO)>Rear Exhaust Pipe>INSTALLATION .
Install the transmission under cover.
Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Fig 7: Identifying Transmission Under Cover
Courtesy of SUBARU OF AMERICA, INC.
Lower the vehicle.
Pour in transmission gear oil and check the oil level. Ref. to MANUAL TRANSMISSION AND DIFFERENTIAL (6MT)>Transmission Gear Oil .
Connect the battery ground terminal.