Subaru Impreza 2003 Service Manual page 2239

(3) Install the front bearing race to differential
carrier using ST1 and ST2.
ST1 398477701 HANDLE
ST2 398447110 DRIFT
(4) Insert the front bearing cone.
NOTE:
Use a new front bearing cone.
(5) Insert the ST1 into case with pinion height
adjusting shim and rear bearing cone fitted onto
it.
NOTE:
• Re-use the used washer if not deformed.
• Use a new rear bearing cone.
(6) Then install the preload adjusting spacer
and washer, front bearing cone, ST2, compan-
ion flange, and washer and self-locking nut.
ST1 498447150 DUMMY SHAFT
ST2 32285AA000 DUMMY COLLAR
(A)
(B)
(C)
ST2
(A) Pinion height adjusting shim
(B) Preload adjusting spacer
(C) Preload adjusting washer
(7) 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 spacer so that the
specified preload is obtained when nut is tight-
ened to the specified torque.
REAR DIFFERENTIAL FOR VA-TYPE
ST1
DI-00080
DI-00152
DI-59
NOTE:
• Use a new self-locking nut.
• Measure the preload in direction of tangent to
flange.
• Be careful not to give excessive preload.
• When tightening the self locking nut, lock ST1
with ST2 as shown in the figure.
ST1 398507150 DUMMY SHAFT
ST2 498447704 BLOCK
Tightening torque:
191 N·m (19.5 kgf-m, 141 ft-lb)
ST2
Front and rear bearing preload
For new bearing:
12.7 — 32.4 N (1.3 — 3.3 kgf, 2.9 — 7.3 lb)
at companion flange bolt hole
Part No.
38336AA000
38336AA120
38336AA010
38336AA130
38336AA020
38336AA140
38336AA030
38336AA150
38336AA040
38336AA160
38336AA050
Preload adjusting
washer
38336AA170
38336AA060
38336AA180
38336AA070
38336AA190
38336AA080
38336AA200
38336AA090
38336AA210
38336AA100
38336AA220
38336AA110
DIFFERENTIALS
ST1
DI-00081
Thickness mm (in)
1.500 (0.0591)
1.513 (0.0596)
1.525 (0.0600)
1.538 (0.0606)
1.550 (0.0610)
1.563 (0.0615)
1.575 (0.0620)
1.588 (0.0625)
1.600 (0.0630)
1.613 (0.0635)
1.625 (0.0640)
1.638 (0.0645)
1.650 (0.0650)
1.663 (0.0655)
1.675 (0.0659)
1.688 (0.0665)
1.700 (0.0669)
1.713 (0.0674)
1.725 (0.0679)
1.738 (0.0684)
1.750 (0.0689)
1.763 (0.0694)
1.775 (0.0699)