Impreza GT F4-2.5L Turbo (2009)
6) Perform replacement with a new gasket, and tighten the drain plug (ATF).
Tightening torque:
25 N-m (2.5 kgf-m, 18.4 ft-lb)
7) Remove the oil pan.
CAUTION:
Be careful not to allow foreign matter such as dust or dirt to enter the oil pan.
8) Remove the magnet.
9) Clean the magnet.
10) Completely remove the remaining liquid gasket on the transmission case and oil pan.
11) Disconnect the control valve connector.
12) Remove the oil cooler pipe.