Rear Hub Unit Bearing - Subaru LEGACY 2004 Service Manual

5. Rear Hub Unit Bearing

A: REMOVAL
1) Disconnect the ground cable from battery.
2) Lift-up the vehicle, and then remove the rear
wheels.
3) Unlock the axle nut.
4) While applying the parking brake, remove the
axle nut using the socket wrench.
CAUTION:
Remove the wheel before loosening the axle
nut. Failure to follow this rule may damage the
wheel bearings.
5) Release the parking brake.
6) Remove the rear ABS wheel speed sensor.
7) Remove the disc brake caliper from back plate,
and suspend it from stabilizer using wire.
8) Remove the disc rotor from hub.
NOTE:
• Mark the mating surface of hub and disc rotor be-
fore removing the disc rotor to avoid confusing
when installing.
Rear Hub Unit Bearing
• If the disc rotor seizes up within hub, drive the
disc rotor out by installing an 8-mm bolt in screw
hole on rotor.
9) Remove the four bolts from rear arm.
10) Remove the hub unit bearing.
CAUTION:
DS-00038
• Be careful not to damage the magnetic en-
coder.
• Do not get closer the tool which charged
magnetism to magnetic encorder.
DS-00147
DS-00148
DS-19
DRIVE SHAFT SYSTEM
(1) Magnetic encoder
(2) Rear hub unit bearing
DS-00149
(2)
(1)
DS-00251
DS-00150