Automatic Transmission Fluid: Replacement

Lift up the vehicle.
Remove the drain plug (ATF) to drain ATF completely.
CAUTION: After running the engine or after idling for a long time, the ATF is hot. Be careful not to burn yourself.
Replace the gasket with new part, and then tighten the drain plug (ATF).
Tightening torque:

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

Fig 1: Identifying Drain Plug
Courtesy of SUBARU OF AMERICA, INC.
Lower the vehicle.
Fill ATF from the oil charger pipe.
Recommended fluid:

SUBARU ATF HP

Substitute fluid:

IDEMITSU: ATF HP

CASTROL: TRANSMAX J

Capacity:

Fill with the same amount of ATF that was drained from drain plug hole.

Capacity when transmission is overhauled:

9.3 - 9.6 l (9.8 - 10.1 US qt, 8.2 - 8.4 lmp qt)
Bleed the air of control valve.
< Ref. to AIR BLEEDING OF CONTROL VALVE .>
Check the level and leaks of ATF.
< Ref. to INSPECTION , Automatic Transmission Fluid.>