Subaru Impreza 2003 Service Manual page 2031

5) Set the ST to drive pinion, then tighten the lock
nut.
ST1 18667AA000 HOLDER
ST2 18664AA000 BASE
ST3 18621AA000 ADAPTER WRENCH
ST4 18852AA000 TORQUE WRENCH
NOTE:
Tighten with the ST and torque wrench straight-
lined.
Tightening torque:
265 N·m (27.0 kgf-m, 195 ft-lb)
ST3
ST1
NOTE:
• If torque wrench except ST4 is used, calculate
the following equation, then tighten the lock nut.
Tighten with the ST and torque wrench straight-
lined.
T=L1/(0.1 + L1)×285
T N·m (kgf-m, ft-lb) Setting value of torque
L1 m (in) Torque wrench length
0.1 m (3.94 in)
285 N·m (29.0 kgf-m, 210 ft-lb) Tightening torque of lock
(A)
(A) 0.1 m (3.94 in)
6) Measure the starting torque. <Ref. to 6MT-102,
INSPECTION, Drive Pinion Shaft Assembly.>
7) Using the ST, caulk two portions on the lock nut
to obtain dimension A 37±0.5 mm (1.46±0.02 in).
ST 18670AA000 PUNCH
DRIVE PINION SHAFT ASSEMBLY
ST4
ST2
MT-00648
wrench
ST length
nut
L1
MT-00614
6MT-101
MANUAL TRANSMISSION AND DIFFERENTIAL
NOTE:
Do not crack the caulking part of lock nut.
ST
8) Using the ST, measure dimension B of the drive
pinion.
ST 398643600 GAUGE
ST
B
9) Calculate the following equation, then select one
or two pieces of drive pinion shim from the table be-
low.
6.5±0.0625 mm — (B—A) [0.26±0.0025 in — (B—
A)]
NOTE:
A: Measured value from step 1).
B: Measured value from step 8).
Drive pinion shim
Part No.
32295AA270
32295AA280
32295AA290
32295AA300
32295AA310
32295AA320
A
MT-00649
MT-00650
Thickness mm (in)
0.15 (0.0059)
0.175 (0.0069)
0.20 (0.0079)
0.225 (0.0089)
0.25 (0.0098)
0.275 (0.0108)