Subaru IMPREZA 2002 Service Manual page 88

REAR DIFFERENTIAL
I
DIFFERENTIALS
8) Fit a new oil seal with ST.
NOTE:
Press-fit until end of oil seal is 1 mm (0.04 in) in-
ward from end of carrier.
Apply grease between the oil seal lips.
ST 498447120 DRIFT
9) Press-fit the companion flange with ST1 and
ST2.
GAUTION:
Be careful not to damage the bearing.
ST1 8998741 00 INSTALLER
ST2 3997801 04 WEIGHT
S3M0521 A
10) Install the self-locking nut. Then tighten it with
ST.
ST 498427200 FLANGE WRENCH
Tightening torque:
181 N-m (18.5 kgf-m, 134 fWb)
11) Assembling differential case:
Install the side gears and pinion mate gears, with
their thrust washers and pinion mate shaft, into dif-
ferential case. (Without LSD)
CAUTION:
Apply gear oil on both sides of the washer
and on the side gear shaft before installing.
Insert the pinion mate shaft into the differen-
tial case by aligning the lock pin holes.
G3M0089
(1) Measure the side gear backlash.
0.10
-
0.20 mm (0.0039
-
0.0079 in)
Side gear back clearance:
DI-28