Subaru Legacy III (2000-2003 year). Service manual — part 552
AT-102
AUTOMATIC TRANSMISSION
REDUCTION DRIVEN GEAR
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)
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 AT-86, INSTALLATION, Extension Case.>
5) Install the transmission assembly to vehicle.
<Ref. to AT-42, INSTALLATION, Automatic Trans-
mission 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)
5) After tightening, stake the lock nut securely.
6) Insert the rear drive shaft assembly. <Ref. to AT-
99, INSTALLATION, Rear Drive Shaft.>
7) Combine the transmission case with the exten-
sion case, and install rear vehicle speed sensor.
<Ref. to AT-86, INSTALLATION, Extension Case.>
8) Install the transmission assembly to vehicle.
<Ref. to AT-42, INSTALLATION, Automatic Trans-
mission Assembly.>
(A) Reduction driven gear
(B) Reduction drive gear
(A) Reduction driven gear
(B) Reduction drive gear
AT-00153
( A )
( B )
AT-00155
AT-103
AUTOMATIC TRANSMISSION
REDUCTION DRIVEN GEAR
C: DISASSEMBLY
1) Remove snap ring from reduction driven gear.
2) Using ST, remove ball bearing from reduction
driven gear.
ST
498077600
REMOVER
3) Remove snap ring reduction driven gear. (3.0 L
model)
D: ASSEMBLY
1) Install snap ring to reduction driven gear. (3.0 L
model)
2) Using a press, install a new ball bearing to re-
duction driven gear.
3) Install snap ring to reduction driven gear.
E: INSPECTION
Check ball bearing and gear for dents or damage.
(A) Snap ring
(A) Ball bearing
AT-00156
( A )
AT-00157
( A )
ST
(A) Ball bearing
(A) Snap ring
AT-00158
( A )
AT-00156
( A )
AT-104
AUTOMATIC TRANSMISSION
REDUCTION DRIVE GEAR
30.Reduction Drive Gear
A: REMOVAL
1) Remove the transmission assembly from the ve-
hicle. <Ref. to AT-39, REMOVAL, Automatic
Transmission Assembly.>
2) Remove rear vehicle speed sensor, and sepa-
rate the transmission case and extension case.
<Ref. to AT-86, REMOVAL, Extension Case.>
3) Remove the reduction driven gear. <Ref. to AT-
101, REMOVAL, Reduction Driven Gear.>
4) Using ST, extract the reduction drive gear.
ST1
499737100
PULLER
ST2
899524100
PULLER SET
B: INSTALLATION
1) Install the reduction drive gear assembly.
NOTE:
Insert it fully into position until the bearing shoulder
bottoms.
2) Install the reduction driven gear. <Ref. to AT-
102, INSTALLATION, Reduction Driven Gear.>
3) Combine the transmission case with the exten-
sion case, and install rear vehicle speed sensor.
<Ref. to AT-86, INSTALLATION, Extension Case.>
4) Install the transmission assembly to the vehicle.
<Ref. to AT-42, INSTALLATION, Automatic Trans-
mission Assembly.>
(A) Reduction drive gear
AT-00159
( A )
ST1
ST2
(A) Reduction drive gear
AT-00160
( A )
AT-105
AUTOMATIC TRANSMISSION
REDUCTION DRIVE GEAR
C: DISASSEMBLY
1) Take out the seal rings.
2) Using ST, remove the ball bearing.
ST
498077600
REMOVER
3) Using a press, remove the reduction drive gear.
D: ASSEMBLY
1) Press-fit the reduction drive gear to the shaft.
2) Press-fit the a new ball bearing to the reduction
drive gear.
3) Apply vaseline to outer surface of seal ring and
shaft groove.
4) Attach new seal rings.
E: INSPECTION
• Rotate bearing by hand, make sure it rotates
smoothly.
• Make sure that each component is free of harm-
ful gouges, cuts, or dust.
• Measure the extension end play and adjust it to
within specifications.<Ref. to AT-94, ADJUST-
MENT, Transfer Clutch.>
(A) Seal rings
(B) Reduction drive shaft
(A) Ball bearing
(B) Reduction drive gear
(A) Reduction drive gear
AT-00161
( A )
( B )
AT-00162
( A )
( B )
ST
AT-00163
( A )
(A) Seal rings
(B) Reduction drive shaft
AT-00161
( A )
( B )
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