Subaru 2004 Impreza Service Manual page 35

MANUAL TRANSMISSION AND DIFFERENTIAL
NOTE:
Do not reuse the oil seal. Prepare a new oil seal.
D: ASSEMBLY
1. DIFFERENTIAL CASE ASSEMBLY
1) Install the bevel gear and bevel pinion together
with washers, and insert pinion shaft.
NOTE:
Face the chamfered side of washer toward gear.
(C)
(A) Bevel pinion
(B) Bevel gear
(C) Pinion shaft
2) Measure the backlash between bevel gear and
pinion. If it is not within specifications, install a suit-
able washer to adjust it. <Ref. to 5MT-106, AD-
JUSTMENT, Front Differential Assembly.>
NOTE:
Be sure the pinion gear tooth contacts adjacent
gear teeth during measurement.
ST1 498247001 MAGNET BASE
ST2 498247100 DIAL GAUGE
Front Differential Assembly
Standard backlash:
AT-00220
3) Align the pinion shaft and differential case at
their holes, and drive the straight pin into holes
from the hypoid driven gear side, using ST.
NOTE:
Lock the straight pin after installing.
ST 899904100
(B)
(A)
MT-00284
4) Install the roller bearing to differential case.
NOTE:
• Do not apply pressure in excess of 10 kN (1 ton,
1.1 US ton, 1.0 Imp ton).
• Be careful because the roller bearing outer races
are used as a set.
ST1 499277100
ST2 398497701
5MT-104
0.13 — 0.18 mm (0.0051 — 0.0071 in)
ST2
REMOVER
(A)
(C)
(A) Pinion shaft
(B) Differential case
(C) Straight pin
BUSH 1-2 INSTALLER
ADAPTER
ST2
ST1
MT-00285
(B)
MT-00286
ST1
MT-00287