Subaru IMPREZA GD 2007 Series Manual page 2605

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AUTOMATIC TRANSMISSION
D: ASSEMBLY
1) Measure the dimension "A" of drive pinion shaft.
ST 398643600 GAUGE
2) Using a press, press-fit the new roller bearing
into the specified position.
NOTE:
If excessive force is applied to roller bearing, the
roller bearing will not turn easily.
(A) Drive pinion shaft
(B) Roller bearing
3) After fitting a new O-ring to the shaft, attach the
drive pinion collar to the shaft.
4) Install the lock washer to drive pinion shaft in the
proper direction.
Drive Pinion Shaft Assembly
5) Tighten the new lock nuts using ST1, ST2 and
ST3.
Calculate the lock washer and lock nut specifica-
tions using following formula.
T2 = L2/(L1 + L2) × T1
T1: 116 N·m (11.8 kgf-m, 85.3 ft-lb)
[Required torque setting]
T2: Tightening torque
L1: ST2 length 0.072 m (2.83 in)
L2: Torque wrench length
Example:
A
AT-00200
ST1 498937110
ST2 499787700
ST3 499787500
(A)
NOTE:
Attach ST2 to torque wrench as straight as possi-
ble.
(B)
AT-00201
4AT-98
Torque wrench length Tightening torque
m (in) N·m (kgf-m, ft-lb)
0.4 (15.75)
0.45 (17.72) 100 (10.2, 73.8)
0.5 (19.69) 101 (10.3, 74.5)
0.55 (21.65)
HOLDER
WRENCH
ADAPTER
L1 [m (in)]
L2 [m (in)]
98 (10.0, 72)
102 (10.4, 75)
ST3
ST2
ST1
AT-00202