Subaru 2009 IMPREZA Service Manual page 1948

AUTOMATIC TRANSMISSION
32.Drive Pinion Shaft Assembly
A: REMOVAL
1) Remove the transmission assembly from vehicle
body. <Ref. to 4AT-36, REMOVAL, Automatic
Transmission Assembly.>
2) Pull out the torque converter clutch assembly.
<Ref. to 4AT-69, REMOVAL, Torque Converter
Clutch Assembly.>
3) Remove the input shaft.
4) Lift up the lever on the rear side of transmission
harness connector, and then disconnect it from the
stay.
5) Disconnect the inhibitor switch connector from
the stay.
6) Disconnect the air breather hose. <Ref. to 4AT-
67, REMOVAL, Air Breather Hose.>
7) Remove the oil charge pipe. <Ref. to 4AT-68,
REMOVAL, Oil Charge Pipe.>
8) Remove the ATF inlet and outlet pipes. <Ref. to
4AT-64, REMOVAL, ATF Cooler Pipe and Hose.>
9) Separate the converter case and transmission
case. <Ref. to 4AT-83, REMOVAL, Converter
Case.>
10) Separate the transmission case and extension
case section. <Ref. to 4AT-71, REMOVAL, Exten-
sion Case.>
11) Remove the reduction drive gear. <Ref. to 4AT-
80, REMOVAL, Reduction Drive Gear.>
12) Remove the reduction driven gear. <Ref. to
4AT-78, REMOVAL, Reduction Driven Gear.>
13) Remove the drive pinion shaft mounting bolt
and remove the drive shaft assembly from oil pump
housing.
Drive Pinion Shaft Assembly
B: INSTALLATION
1) Assemble the drive pinion shaft assembly to the
oil pump housing.
NOTE:
• Be careful not to bend the shim.
• Be careful not to press-fit the pinion into housing
bore.
Tightening torque:
AT-00114
2) Join the converter case with the transmission
case. <Ref. to 4AT-84, INSTALLATION, Converter
Case.>
3) Install the reduction driven gear. <Ref. to 4AT-
78, INSTALLATION, Reduction Driven Gear.>
4) Install the reduction drive gear. <Ref. to 4AT-80,
INSTALLATION, Reduction Drive Gear.>
5) Join the transmission case and the extension
case, and then install the rear vehicle speed sen-
sor. <Ref. to 4AT-71, INSTALLATION, Extension
Case.>
6) Insert the inhibitor switch connector and trans-
mission harness connector onto the stay.
7) Install the air breather hose. <Ref. to 4AT-67, IN-
STALLATION, Air Breather Hose.>
8) Install the ATF inlet and outlet pipes. <Ref. to
4AT-65, INSTALLATION, ATF Cooler Pipe and
Hose.>
9) Install the oil charge pipe with O-ring.
AT-01252
4AT-92
40 N·m (4.1 kgf-m, 29.5 ft-lb)
AT-01252