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Subaru Impreza 2.5 L 2004 Owner's Manual page 42

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DIFFERENTIALS
ST 398417700
DRIFT
ST
(2) Install the oil seal. <Ref. to DI-50, RE-
PLACEMENT, Rear Differential Side Oil Seal.>
20) Adjusting side bearing retainer shims
(1) The driven gear backlash and side bearing
preload can be determined by the side bearing
retainer shim thickness.
(2) Install the differential case assembly into dif-
ferential carrier in the reverse order of disas-
sembly.
(3) Install the side retainer shims to the right
and left retainers from which they were re-
moved.
NOTE:
Replace the broken or corroded side retainer shim
with a new one of same thickness.
Side bearing retainer shim
Part No.
383475201
383475202
383475203
383475204
383475205
(4) Align the arrow mark on differential carrier
with the mark on side retainer during installation.
REAR DIFFERENTIAL
DI-00324
DI-00065
Thickness mm (in)
0.20 (0.0079)
0.25 (0.0098)
0.30 (0.0118)
0.40 (0.0157)
0.50 (0.0197)
DI-42
NOTE:
Be careful that side bearing outer race is not dam-
aged by bearing roller.
(A) Arrow mark
(5) Tighten the side bearing retainer bolts.
Tightening torque:
10.3 N·m (1.05 kgf-m, 7.6 ft-lb)
(6) Measure the crown gear-to-drive pinion
backlash. Set the magnet base on differential
carrier. Align the contact point of dial gauge with
tooth face of crown gear, and move the crown
gear while holding drive pinion still. Read the
value indicated on dial gauge.
Backlash:
0.10 — 0.20 mm (0.0039 — 0.0079 in)
(A)
DI-00097
DI-00098
DI-00099

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