Subaru 2004 Impreza Service Manual page 36

5) Install the hypoid driven gear to differential case
using twelve bolts.
Tightening torque:
T: 62 N·m (6.3 kgf-m, 45.6 ft-lb)
(A)
(B)
(A) Hypoid driven gear
(B) Differential case
2. SIDE RETAINER
1) Install a new oil seal.
ST 18675AA000 DIFFERENTIAL SIDE OIL
SEAL INSTALLER
NOTE:
• For press-fitting of oil seal to retainer, make tap-
ping with plastic hammer etc.
• Do not use press.
2) Install a new O-ring.
NOTE:
Do not stretch or damage the O-ring.
Front Differential Assembly
E: INSPECTION
Repair or replace the differential gear in the follow-
ing cases:
• The hypoid drive gear and drive pinion shaft
tooth surface are damaged, excessively worn, or
seized.
• The roller bearing on the drive pinion shaft has a
worn or damaged roller path.
• There is damage, wear, or seizure of the differ-
ential bevel pinion, differential bevel gear, washer,
pinion shaft, and straight pin.
• The differential case has worn or damaged slid-
ing surfaces.
T
MT-00288
ST
MT-00289
1. BEVEL PINION GEAR BACKLASH
Measure the backlash between bevel gear and pin-
ion. If it is not within specifications, install a suitable
washer to adjust it.
NOTE:
MT-00279
Be sure the pinion gear tooth contacts adjacent
gear teeth during measurement.
5MT-105
MANUAL TRANSMISSION AND DIFFERENTIAL
(A)
(E)
(B)
(I) (C)
(D)
(J) (I)
(A) Drive pinion shaft
(B) Hypoid driven gear
(C) Pinion shaft
(D) Straight pin
(E) Washer
(F) Differential bevel gear
(G) Differential bevel pinion
(H) Snap ring
(I) Roller bearing
(J) Differential case
(G)
(F)
(H)
(F)
(E)
(G)
MT-00814