Subaru 2009 IMPREZA, Service Manual

Page: 2352 / 3619

DS-24
Rear Hub Unit Bearing
DRIVE SHAFT SYSTEM
B: INSTALLATION
1) Aligning with the mounting hole of the rear brake
back plate, temporarily tighten the rear hub unit
bearing to the rear housing.
CAUTION:
• Be careful not to damage the magnetic en-
coder.
• Do not get closer the tool which charged
magnetism to magnetic encoder.
2) Tighten the four bolts of the rear housing.
Tightening torque:
65 N·m (6.6 kgf-m, 47.9 ft-lb)
3) Tighten the new axle nut temporarily.
CAUTION:
Use new axle nuts.
4) Install the rear disc rotor. (Disc brake model)
5) Install the rear brake drum. (Drum brake model)
6) Install the disc brake caliper on the rear housing.
(Disc brake model)
Tightening torque:
66 N·m (6.7 kgf-m, 48.7 ft-lb)
7) While pressing the brake pedal, tighten the new
axle nuts to the specified torque.
Tightening torque:
190 N·m (19.4 kgf-m, 140.1 ft-lb)
CAUTION:
• Do not install wheel and let it touch the
ground before tightening the axle nut. Failure to
follow this rule may damage the axle bearing.
• Do not overtighten the nuts as this may dam-
age the axle bearing.
8) After tightening the axle nut, lock it securely.
9) Install the rear wheels.
Tightening torque:
100 N·m (10.2 kgf-m, 73.8 ft-lb)
C: DISASSEMBLY
Using the ST and a hydraulic press, push out the
hub bolts.
ST
28399AG000 HUB STAND
CAUTION:
• Be careful not to hammer the hub bolts. This
may deform the hub.
• Do not reuse the hub bolt.
NOTE:
Since the hub unit bearing can not be disassem-
bled, only hub bolts can be removed.
(1) Magnetic encoder
(2) Rear hub unit bearing
DS-00251
(2)
(1)
DS-00414
(1) Rear hub unit bearing
DS-00048
DS-00254
ST
(1)