Subaru Impreza 2003, Service Manual

Page: 1647 / 3610

4AT-115
AUTOMATIC TRANSMISSION
FRONT DIFFERENTIAL
6) Hold the shaft of ST to avoid removing from side
retainer, and then remove the bearing outer race.
ST
398527700 PULLER ASSY
NOTE:
Replace bearing inner and outer races as a single
unit.
D: ASSEMBLY
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) Install straight pin from reverse direction.
3) Install the washer and differential bevel gear to
the differential case (LH). Then put the case over
the differential case (RH), and connect both cases.
4) Install the crown gear and secure by tightening
the bolt.
Standard tightening torque:
62 N·m (6.3 kgf-m, 45.6 ft-lb)
5) Measurement of backlash (Selection of washer)
(1) Measure the gear backlash with ST1 and
ST2, and insert ST2 through the access window
of the case.
ST1 498247001 MAGNET BASE
ST2 498247100 DIAL GAUGE
NOTE:
• Measure the backlash by applying a pinion tooth
between two bevel gear teeth.
• Fix bevel pinion gear in place with a screwdriver
or similar tool when measuring.
Standard value:
0.13 — 0.18 mm (0.0051 — 0.0071 in)
(2) If backlash is not as specified, select a
washer from the table below.
(A) Shaft
(B) Side retainer
(A) Differential case (RH)
AT-00223
AT-00218
(A)
(A) Crown gear
(B) Differential case (RH)
(C) Differential case (LH)
Washer
Part No. Thickness mm (in)
803038021 0.95 (0.037)
803038022 1.00 (0.039)
803038023 1.05 (0.041)
(B)
AT-00217
(A)
(C)
AT-00224
ST2
ST1