Subaru Impreza 2002 Service Manual page 776

24.Wheel Bearing
A: INSPECTION
1. FRONT WHEEL BEARING
NOTE:
Inspect the condition of front wheel bearing grease.
1) Jack-up the front of vehicle.
2) While holding the front wheel by hand, swing it in
and out to check bearing free play.
3) Loosen the wheel nuts and remove front wheel.
4) If bearing free play exists in step 2) above, at-
tach a dial gauge to the hub and measure axial dis-
placement in axial direction.
Service limit:
Straight-ahead position within 0.05 mm
(0.0020 in)
5) Remove the bolts and self-locking nuts, and ex-
tract transverse link from front crossmember.
6) While lightly hammering the spring pin which se-
cures S.F.J. to transmission spindle, remove it.
7) Extract the S.F.J. from transmission spindle.
<Ref. to DS-18, Front Axle.>
8) While supporting the front drive shaft horizontal-
ly with one hand, turn the hub with the other to
check for noise or binding.
If the hub is noisy or binds, disassemble the front
axle and check condition of oil seals, bearing, etc.
Inner oil seal
Snap ring
Bearing
Housing
Outer oil seal
2. REAR WHEEL BEARING
1) Jack-up the rear of vehicle.
2) While holding the rear wheel by hand, swing it in
and out to check bearing free play.
3) Loosen the wheel nuts and remove rear wheel.
4) If the bearing free play exists in step 2) above,
attach a dial gauge to the hub COMPL and mea-
sure axial displacement in axial direction.
Service limit:
Straight-ahead position within 0.05 mm
(0.0020 in)
5) Remove the DOJ of rear drive shaft from rear dif-
ferential. <Ref. to DS-39, Rear Drive Shaft.>
WHEEL BEARING
Hub bolt
Hub
GI0133
PM-39
PERIODIC MAINTENANCE SERVICES
6) While supporting the rear drive shaft horizontally
with one hand, turn the hub COMPL with the other
to check for noise or binding.
If the hub COMPL is noisy or binds, disassemble
the rear axle and check condition of oil seals, bear-
ings, etc.
Inner oil seal
Rear housing
Tone wheel
(With ABS only)
Bearing
Snap ring
Outer oil seal
Hub bolt
Socket bolt
(With ABS only)
Hub
GI0134