Subaru Impreza 2003 Service Manual page 2226

DIFFERENTIALS
8) Press-fit the companion flange with ST1, ST2
and ST3.
NOTE:
Be careful not to damage the bearing.
ST1 899874100 INSTALLER
ST2 399780104 WEIGHT
ST3 498937110 HOLDER DRIVE PINION
ST1
ST2
9) Install the self-locking nut. Then tighten it with
the ST.
ST 498427200 FLANGE WRENCH
Tightening torque:
181 N·m (18.5 kgf-m, 134 ft-lb)
10) Rotate the drive pinion shaft more than ten
times to accustom each taper roller bearing, and
then measure the preload.
Bearing preload:
25.9 — 41.5 N (2.64 — 4.23 kgf, 5.8 — 9.3 lb)
REAR DIFFERENTIAL FOR T-TYPE
ST3
ST2
DI-00323
ST
DI-00091
DI-00117
11) If bearing preload is out of specification, adjust
to specification by selecting preload adjusting
washer and spacer from the following table.
Preload adjusting
washer
Preload adjusting
spacer
12) Hold the companion flange with ST and remove
the self-lock nut.
ST 498427200
13) Extract the companion flange with a puller.
DI-46
Part No. Thickness mm (in)
383705200 2.59 (0.1020)
383715200 2.57 (0.1012)
383725200 2.55 (0.1004)
383735200 2.53 (0.0996)
383745200 2.51 (0.0988)
383755200 2.49 (0.0980)
383765200 2.47 (0.0972)
383775200 2.45 (0.0965)
383785200 2.43 (0.0957)
383795200 2.41 (0.0949)
383805200 2.39 (0.0941)
383815200 2.37 (0.0933)
383825200 2.35 (0.0925)
383835200 2.33 (0.0917)
383845200 2.31 (0.0909)
Part No. Length mm (in)
31454AA130 52.2 (2.055)
31454AA140 52.4 (2.063)
31454AA150 52.6 (2.071)
31454AA160 52.8 (2.079)
31454AA170 53.0 (2.087)
31454AA180 53.2 (2.094)
FRANGE WRENCH
ST
DI-00091
DI-00072