Subaru 2009 IMPREZA Service Manual page 1864

AUTOMATIC TRANSMISSION
(1) ATF level gauge
(2) Oil charge pipe
(3) O-ring
(4) Straight pin
(5) Return spring
(6) Shaft
(7) Parking pawl
(8) Parking support
(9) Gasket
(10) ATF inlet pipe
(11) Union screw
(12) O-ring
(13) Test plug
(14) Drain plug (ATF)
(15) Gasket
(16) Oil pan
(17) Magnet
General Description
(18) Stud bolt (short)
(19) Stud bolt (long)
(20) Parking rod
(21) Manual plate
(22) Spring pin
(23) Detent spring
(24) Ball
(25) Spring
(26) Gasket
(27) ATF outlet pipe
(28) Union screw
(29) Oil seal
(30) Shifter arm
(31) Inhibitor switch ASSY
(32) Nipple
(33) Air breather hose
(34) Transmission case
4AT-8
(35) Plate ASSY
(36) O-ring
(37) Spring pin
(38) Transfer clutch seal
(39) Shifter arm shaft
Tightening torque:N·m (kgf-m, ft-lb)
T1: 5 (0.5, 3.7)
T2: 6 (0.6, 4.4)
T3: 12 (1.2, 8.9)
T4: 13 (1.3, 9.6)
T5: 18 (1.8, 13.3)
T6: 25 (2.5, 18.4)
T7: 40 (4.1, 29.5)
T8: 45 (4.6, 33.2)