Subaru LEGACY 2004 Service Manual page 106

DIFFERENTIALS
(3) Measure and record the thickness of pinion
height adjust washer.
NOTE:
If tooth contact (drive pinion, hypoid driven gear) is
normal in the inspection before disassembling, ver-
ify that the washer is not deformed, and then re-use
the used washer.
(4) Insert the ST1 into carrier with pinion height
adjusting washer and rear bearing cone fitted
onto it.
NOTE:
Use new rear bearing cone.
(5) Install the preload adjusting collar and
washer, front bearing cone, ST2, companion
flange, and washer and drive pinion nut.
ST1 398507702 DUMMY SHAFT
ST2 398507703 DUMMY COLLAR
(A)
(B)
(C)
ST2
(A) Pinion height adjusting washer
(B) Preload adjusting collar
(C) Preload adjusting washer
(6) Turn the ST1 with hand to make it seated,
and tighten the self-locking nut while measuring
the preload with spring balance. Select the pre-
load adjusting washer and collar so that the
specified preload is obtained when nut is tight-
ened to the specified torque.
NOTE:
• Use a new self-locking nut.
• Be careful not to give excessive preload.
• When tightening the self-locking nut, lock ST1
with ST2 as shown in the figure.
Rear Differential (T-type)
ST1
DI-00080
DI-00117
DI-36
• 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
Drive pinion bearing preload
18.1 — 38.8 N (1.8 — 4.0 kgf, 4.1 — 8.7 lb)
at companion flange bolt hole
Part No.
383705200
383715200
383725200
383735200
383745200
383755200
383765200
Preload adjusting
washer
383775200
383785200
383795200
383805200
383815200
383825200
383835200
383845200
ST1
DI-00081
DI-00117
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)