Rear Hub Unit Bearing: Removal

WARNING: This page is about a different car, the 2006 Subaru Outback and 2006 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the ground cable from battery.
Lift-up the vehicle, and then remove the rear wheels.
Unlock the axle nut.

Fig 1: Unlocking Axle Nut
Courtesy of SUBARU OF AMERICA, INC.
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.
Release the parking brake.
Remove the rear ABS wheel speed sensor.

Fig 2: Locating Rear ABS Wheel Speed Sensor
Courtesy of SUBARU OF AMERICA, INC.
Remove the disc brake caliper from back plate, and suspend it from stabilizer using wire.

Fig 3: Removing Disc Brake Caliper From Back Plate
Courtesy of SUBARU OF AMERICA, INC.
Remove the disc rotor from hub.
NOTE:
- Mark the mating surface of hub and disc rotor before removing the disc rotor to avoid confusing when installing.
- If the disc rotor seizes up within hub, drive the disc rotor out by installing an 8-mm bolt in screw hole on rotor.
Remove the four bolts from rear arm.

Fig 4: Removing Rear Arm Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove the hub unit bearing.

CAUTION:

Be careful not to damage the magnetic encoder.
Do not get closer the tool which charged magnetism to magnetic encorder.

Fig 5: Precautions For Operating Magnetic Encoder

Courtesy of SUBARU OF AMERICA, INC.

Fig 6: Removing Rear Hub Unit Bearing

Courtesy of SUBARU OF AMERICA, INC.

NOTE: If it is hard to remove, use STS.

ST1 926470000 AXLE SHAFT PULLER

ST2 927140000 AXLE SHAFT PULLER PLATE

Fig 7: Removing Rear Hub Unit Bearing Using Special Tools

Courtesy of SUBARU OF AMERICA, INC.