Turbo Model

Lift-up the vehicle.
Clean the transmission exterior.
Drain the ATF completely.
NOTE:
- Tighten the ATF drain plug after draining the ATF.
- Replace the gasket with a new one.
Tightening torque:

25 N.m (2.5 kgf-m, 18 ft-lb)

Fig 1: Identifying ATF Drain Plug
Courtesy of SUBARU OF AMERICA, INC.
Remove the oil pan.
CAUTION: Be sure to prevent the entering of dust and other foreign matters into oil pan.
Remove and clean the magnet.
Remove the old gasket on the oil pan and transmission case completely.
Disconnect each solenoid connector and remove ATF temperature sensor from control valve.

Fig 2: Disconnecting Solenoid Connector And ATF Temperature Sensor From Control Valve
Courtesy of SUBARU OF AMERICA, INC.
Remove the control valve body.
NOTE: When removing the control valve body, be careful not to interfere with transfer duty solenoid wiring.

Fig 3: Removing Control Valve Body
Courtesy of SUBARU OF AMERICA, INC.