Subaru Impreza 2003 Service Manual page 1638

AUTOMATIC TRANSMISSION
36.Drive Pinion Shaft
A: REMOVAL
1) Remove the transmission assembly from vehi-
cle. <Ref. to 4AT-39, REMOVAL, Automatic Trans-
mission Assembly.>
2) Extract the torque converter clutch assembly.
<Ref. to 4AT-75, REMOVAL, Torque Converter
Clutch Assembly.>
3) Remove the input shaft.
4) Lift-up lever behind the transmission harness
connector and disconnect it from stay.
5) Disconnect inhibitor switch connector from stay.
6) Disconnect the air breather hose. <Ref. to 4AT-
73, REMOVAL, Air Breather Hose.>
7) Remove the oil charger pipe. <Ref. to 4AT-74,
REMOVAL, Oil Charger Pipe.>
8) Remove the oil cooler inlet and outlet pipes.
<Ref. to 4AT-71, REMOVAL, ATF Cooler Pipe and
Hose.>
9) Separation of torque converter clutch case and
transmission case sections <Ref. to 4AT-98, RE-
MOVAL, Torque Converter Clutch Case.>
10) Separate transmission case and extension
case sections. <Ref. to 4AT-77, REMOVAL, Exten-
sion Case.>
11) Remove the reduction drive gear. (MPT model)
<Ref. to 4AT-93, REMOVAL, Reduction Drive
Gear.>
12) Remove the center differential carrier. (VTD
model) <Ref. to 4AT-95, REMOVAL, Center Differ-
ential Carrier.>
13) Remove the reduction driven gear.
<Ref. to 4AT-90, REMOVAL, Reduction Driven
Gear.>
DRIVE PINION SHAFT
14) Remove the drive pinion shaft mounting bolt
and remove the drive shaft assembly from oil pump
housing.
B: INSTALLATION
1) Assemble the drive pinion assembly to the oil
pump housing.
NOTE:
• Pay attention not to bend the shim.
• Pay attention not to press the pinion into housing
AT-00114
bore.
Tightening torque:
40 N·m (4.0 kgf-m, 30 ft-lb)
2) Combine the torque converter case with the
transmission case. <Ref. to 4AT-98, INSTALLA-
TION, Torque Converter Clutch Case.>
3) Install the reduction driven gear.
<Ref. to 4AT-91, INSTALLATION, Reduction Driv-
en Gear.>
4) Install the reduction drive gear. (MPT model)
<Ref. to 4AT-93, INSTALLATION, Reduction Drive
Gear.>
5) Install the center differential carrier. (VTD model)
<Ref. to 4AT-95, INSTALLATION, Center Differen-
tial Carrier.>
6) Combine the extension case with the transmis-
sion case, and install vehicle speed sensor 1 (rear).
<Ref. to 4AT-77, INSTALLATION, Extension
Case.>
7) Insert inhibitor switch and transmission connec-
tor into stay.
4AT-106
AT-01034
AT-01034