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Subaru Impreza 2.5 L 2004 Owner's Manual page 31

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NOTE:
• Use a new lock nut.
• Be careful not to give excessive preload.
• When tightening the drive pinion nut, lock ST1
with ST2 as shown in the figure.
• Measure the preload in direction of tangent to
flange.
ST1 398507702
DUMMY SHAFT
ST2 398507704
BLOCK
Tightening torque:
181 N·m (18.5 kgf-m, 134 ft-lb)
ST2
Front and rear bearing preload
For new bearing:
18.1 — 38.8 N (1.8 — 4.0 kgf, 4.1 — 8.7 lb)
at companion flange bolt hole
REAR DIFFERENTIAL
Preload adjusting
washer
ST1
Preload adjusting
DI-00081
spacer
2) 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 ST2.
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.
ST1 398507702
ST2 398507701
DI-00117
ST3 398507703
DI-31
Part No.
383705200
383715200
383725200
383735200
383745200
383755200
383765200
383775200
383785200
383795200
383805200
383815200
383825200
383835200
383845200
Part No.
383695201
383695202
383695203
383695204
383695205
383695206
DUMMY SHAFT
DIFFERENTIAL CARRIER
GAUGE
DUMMY COLLAR
ST3
ST1
(A)
(A) Pinion height adjusting shim
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)
ST2
RH
N
LH
DI-00083

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