Subaru 2002 IMPREZA Service Manual page 1981

(4) Turn the ST1 with hand to make it seated,
and tighten the drive pinion nut while measuring
the preload with spring balance. Select the pre-
load adjusting washer and spacer so that the
specified preload is obtained when nut is tight-
ened to the specified torque.
NOTE:
Use a new lock nut.
NOTE:
• Be careful not to give excessive preload.
• When tightening the drive pinion nut, lock ST1
with ST2 as shown in the figure.
ST1 398507704 BLOCK
ST2 398507702 DUMMY SHAFT
Tightening torque:
181 N·m (18.5 kgf-m, 134 ft-lb)
Front and rear bearing preload
For new bearing:
19 — 26 N (1.9 — 2.6 kgf, 4.3 — 5.8 lb)
at companion flange bolt hole
For used bearing:
8 — 16 N (0.8 — 1.6 kgf, 1.8 — 3.6 lb)
at companion flange bolt hole
REAR DIFFERENTIAL FOR T-TYPE
G3M1038
S3M0518A
DI-31
Part No.
383705200
383715200
383725200
383735200
383745200
383755200
Preload adjusting
383765200
washer
383775200
383785200
383795200
383805200
383815200
383825200
383835200
383845200
Part No.
383695201
383695202
Preload adjusting
383695203
spacer
383695204
383695205
383695206
3) Adjusting drive pinion height
Adjust the drive pinion height with shim installed
between the rear bearing cone and back of pinion
gear.
(1) Install the ST1, ST2 and ST3, as shown in
the figure, and apply specified preload on the
bearings.
Front and rear bearing preload
For new bearing:
19 — 26 N (1.9 — 2.6 kgf, 4.3 — 5.8 lb)
at companion flange bolt hole
For used bearing:
8 — 16 N (0.8 — 1.6 kgf, 1.8 — 3.6 lb)
at companion flange bolt hole
Adjusting preload for front and rear bearings
NOTE:
At this time, install a pinion height adjusting shim
which is temporarily selected or the same as that
used before. Measure and record the thickness.
DIFFERENTIALS
Thickness mm
(in)
2.59 (0.1020)
2.57 (0.1012)
2.55 (0.1004)
2.53 (0.0996)
2.51 (0.0988)
2.49 (0.0980)
2.47 (0.0972)
2.45 (0.0965)
2.43 (0.0957)
2.41 (0.0949)
2.39 (0.0941)
2.37 (0.0933)
2.35 (0.0925)
2.33 (0.0917)
2.31 (0.0909)
Length mm (in)
56.2 (2.213)
56.4 (2.220)
56.6 (2.228)
56.8 (2.236)
57.0 (2.244)
57.2 (2.252)