Subaru IMPREZA GD 2007 Series Manual page 3315

asieps_tobira_IM_US.book 49 ページ ２０１２年１月１７日 火曜日 午後３時４８分
7) Differential case
Replace if its sliding surfaces are worn or cracked.
8) Companion flange
Replace if the oil seal lip contact surface shows
cracking.
9) Rear differential oil temperature switch
If the following inspection detects a defect, replace
the rear differential temperature switch.
(1) Inspect continuity between compartment
temperature sensor terminal and vehicle body.
(2) Immerse the sensor in oil and raise the oil
temperature. Check that continuity disappears
at an oil temperature of 144°C — 156°C (291°F
— 313°F) and that continuity recovers when the
oil temperature lowers to 135°C (275°F).
1. SIDE GEAR BACKLASH
Using a dial gauge, check the backlash of side
gear.
Side gear backlash:
0.1 — 0.2 mm (0.004 — 0.008 in)
If the side gear backlash is not within the specifica-
tion, select the side gear thrust washer and adjust
the side gear backlash as specified.
2. HYPOID DRIVEN GEAR BACKLASH
Using a dial gauge, check the backlash of hypoid
driven gear.
Hypoid driven gear backlash:
0.1 — 0.2 mm (0.004 — 0.008 in)
If the hypoid driven gear backlash is not within the
specification, adjust the side bearing preload or re-
pair if necessary.
Rear Differential
3. DRIVEN GEAR REAR FACE RUNOUT
LIMIT
Using a dial gauge, check the hypoid driven gear
back surface runout.
Driven gear rear face runout limit:
0.05 mm (0.0020 in) or less
If the hypoid driven gear runout exceeds 0.05 mm
(0.0020 in), replace the hypoid driven gear.
4. TOOTH CONTACT BETWEEN HYPOID
DRIVEN GEAR AND DRIVE PINION
Inspect the tooth contact between the hypoid driv-
en gear and drive pinion. <Ref. to DI-32, ASSEM-
BLY, Rear Differential.>
5. TOTAL PRELOAD
Using a spring scale, check the total preload.
Total preload:
Except for STI model:
20.7 — 54.4 N (2.1 — 5.5 kgf, 4.7 — 12.2 lbf)
STI model:
27 — 54 N (2.8 — 5.5 kgf, 6.1 — 12.2 lbf)
If the total preload is not within the specification,
DI-00315
adjust the side bearing retainer shims.
DI-00099
DI-49
DIFFERENTIALS
DI-00101
DI-00152