Subaru 2009 IMPREZA Service Manual page 1957

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6) Hold the shaft of ST to avoid detachment from

the differential side retainer, and remove the bear-

ing outer race.

ST 398527700

Replace the bearing inner and outer races as a sin-

(B) Side retainer

1. DIFFERENTIAL CASE ASSEMBLY

1) Install the washer, differential bevel gear and dif-

ferential bevel pinion in the differential case (RH).

Insert the pinion shaft.

2) Attach the straight pin in the reverse direction.

(A) Differential case (RH)

3) Install the washer and differential bevel gear to

differential case (LH). Put the case on the differen-

tial case (RH), and assemble two cases.

Front Differential Assembly

AUTOMATIC TRANSMISSION

4) Install the hypoid driven gear and secure by

tightening the bolt.

Tightening torque:

62 N·m (6.3 kgf-m, 45.7 ft-lb)

(A) Hypoid driven gear

(B) Differential case (RH)

5) Measurement of backlash (Selection of washer)

(1) Install the SUBARU genuine axle shaft to

differential case.

Part No. 38415AA070

(2) Measure the gear backlash using ST1 and

ST2, and then insert the ST2 though the access

window of case.

ST1 498247001

ST2 498247100

• Measure the backlash by applying a differential

bevel pinion tooth between two differential bevel

• When measuring, fix the differential bevel pinion

gear in place with a screwdriver covered with cloth,

or a similar tool.

0.13 — 0.18 mm (0.0051 — 0.0071 in)