Manual Transmission

CAUTION: If transmission gear oil is spilt over the exhaust pipe, wipe it off with a cloth to avoid emitting smoke or causing a fire.

Remove the drain plug using TORX® bit T70, and then drain gear oil.
NOTE: Before starting work, cool off the transmission gear oil well.

Fig 1: Drain Plug
Courtesy of SUBARU OF AMERICA, INC.
Replace the gasket with new part, and then tighten the drain plug to specified torque.
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)
Fill the transmission gear oil through the oil level gauge hole up to the upper point of level gauge.
Recommended gear oil:

Refer to "Recommended Material" information. < Ref. to LUBRICANTS , RECOMMENDED MATERIALS, Recommended Materials. >

NOTE: Each oil manufacturer has its base oil and additives. Thus, do not mix two or more brands.

Gear oil capacity:

< Ref. to CAPACITY , Forester. >

Fig 2: Checking Transmission Gear Oil Level Using Oil Level Gauge
Courtesy of SUBARU OF AMERICA, INC.