Subaru Legacy 2005 Service Manual page 2769

3) Install the O-ring.
NOTE:
Use a new O-ring.
E: INSPECTION
Repair or replace the front differential in following
cases.
• When each gear is damaged, seized, or exces-
sively worn.
• When sliding surfaces of the differential case is
damaged, seized or excessively worn.
• When bearings and bearings part is damaged,
rusted or worn.
• When bearing that fails to turn smoothly or
makes noise when turned.
1. BEVEL PINION GEAR BACKLASH
Measure the bevel pinion gear backlash. If it is not
within specification, install a suitable washer to ad-
just. <Ref. to 6MT-108, ADJUSTMENT, Front Dif-
ferential Assembly.>
NOTE:
• Be sure the pinion gear teeth contact adjacent
gear teeth during measurement.
• Before measuring the backlash, rotate each gear
to get each part accustomed.
ST1 498247001 MAGNET BASE
ST2 498247100 DIAL GAUGE
Standard backlash:
0.13 — 0.18 mm (0.0051 — 0.0071 in)
ST2
Front Differential Assembly
2. HYPOID GEAR BACKLASH
Check the hypoid gear backlash. If it is not within
specification, adjust it. <Ref. to 6MT-108, HYPOID
GEAR BACKLASH, ADJUSTMENT, Front Differ-
ential Assembly.>
3. TOOTH CONTACT OF HYPOID GEAR
1) Be sure the hypoid gear backlash is within spec-
ification. If it is not within specification, adjust it.
<Ref. to 6MT-108, HYPOID GEAR BACKLASH,
ADJUSTMENT, Front Differential Assembly.>
2) Apply a uniform thin coat of red lead on both
tooth surfaces of three or four teeth of the hypoid
driven gear.
AT-00219
3) Install the drive pinion shaft assembly, and then
secure with four bolts.
NOTE:
Use the old gasket and washer to prevent the mat-
ing surface of housing from damaging.
Tightening torque:
4) Rotate the drive pinion shaft to right and left for
several times.
ST1
MT-00672
6MT-107
MANUAL TRANSMISSION AND DIFFERENTIAL
⋅
50 N m (5.1 kgf-m, 36.9 ft-lb)
MT-00652