Subaru Impreza 2003 Service Manual page 2231

26) Align the arrow mark on differential carrier with
the mark on side retainer during installation.
(A) Arrow mark
27) Tighten the side bearing retainer bolts.
Lock Tite:
THREE BOND 1105 (Part No. 004403010) or
equivalent
Tightening torque:
10.3 N·m (1.05 kgf-m, 7.6 ft-lb)
28) Install the new gasket and rear cover and tight-
en the bolts to specified torque.
Tightening torque:
44 N·m (4.5 kgf-m, 32.5 ft-lb)
29) Install the breather cap.
30) Install the drain plug and filler plug or oil tem-
perature sensor.
Tightening torque:
49 N·m (5.0 kgf-m, 36.2 ft-lb)
REAR DIFFERENTIAL FOR T-TYPE
(A)
DI-00097
DI-00098
DI-00113
DI-51
E: INSPECTION
Wash all the disassembled parts clean, and exam-
ine them for wear, damage, or other defects. Re-
pair or replace defective parts as necessary.
1) Crown gear and drive pinion
• If abnormal tooth contact is evident, find out the
cause and adjust to give correct tooth contact at as-
sembly. Replace the gear if excessively worn or in-
capable of adjustment.
• If crack, score, or seizure is evident, replace as a
set. Slight damage of tooth can be corrected by oil
stone or the like.
2) Side gear and pinion mate gear
• Replace if crack, score, or other defects are evi-
dent on tooth surface.
• Replace if thrust washer contacting surface is
worn or seized. Slight damage of the surface can
be corrected by oil stone or the like.
3) Bearing
Replace if seizure, peeling, wear, rust, dragging
during rotation, abnormal noise or other defect is
evident.
4) Thrust washers of side gear and pinion mate
gear
Replace if seizure, flaw, abnormal wear or other
defect is evident.
5) Oil seal
Replace if deformed or damaged, and at every dis-
assembling.
6) Differential carrier
Replace if the bearing bores are worn or damaged.
7) Differential case
Replace if its sliding surfaces are worn or cracked.
8) Companion flange
Replace if the oil seal lip contacting surfaces have
flaws.
1. SIDE GEAR BACKLASH
Using a dial gauge, check the backlash of the 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, adjust clearance as specified by selecting the
side gear thrust washer.
DIFFERENTIALS
DI-00315