Subaru Impreza 2003 Service Manual page 1623

B: INSTALLATION
1. MPT MODEL
1) Set the select lever to "P" range.
2) Using a plastic hammer, install reduction driven
gear assembly and new washer, and tighten new
drive pinion lock nut.
Tightening torque:
100 N·m (10.2 kgf-m, 73.8 ft-lb)
(A) Reduction driven gear
(B) Reduction drive gear
3) After tightening, stake the lock nut securely.
4) Combine the transmission case with the exten-
sion case, and install rear vehicle speed sensor.
<Ref. to 4AT-77, INSTALLATION, Extension
Case.>
5) Install the transmission assembly to vehicle.
<Ref. to 4AT-42, INSTALLATION, Automatic
Transmission Assembly.>
2. VTD MODEL
1) Set the select lever to "P" range.
2) Using a plastic hammer, install reduction driven
gear assembly.
3) Using a plastic hammer, install the center differ-
ential assembly.
4) Install a new self-lock nut and a washer.
Tightening torque:
100 N·m (10.2 kgf-m, 73.8 ft-lb)
(A) Reduction driven gear
(B) Reduction drive gear
REDUCTION DRIVEN GEAR
(B)
(A)
AT-00153
AT-00155
4AT-91
AUTOMATIC TRANSMISSION
5) After tightening, stake the lock nut securely.
6) Insert the rear drive shaft assembly. <Ref. to
4AT-88, INSTALLATION, Rear Drive Shaft.>
7) Combine the transmission case with the exten-
sion case, and install rear vehicle speed sensor.
<Ref. to 4AT-77, INSTALLATION, Extension
Case.>
8) Install the transmission assembly to vehicle.
<Ref. to 4AT-42, INSTALLATION, Automatic
Transmission Assembly.>
C: DISASSEMBLY
1) Remove snap ring from reduction driven gear.
(A)
(A) Snap ring
2) Using ST, remove ball bearing from reduction
driven gear.
ST 498077600 REMOVER
(A)
(A) Ball bearing
3) Remove snap ring reduction driven gear.
AT-00156
ST
AT-00157