Front Hub Unit Bearing: Removal

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

Fig 1: Unlocking Axle Nut
Courtesy of SUBARU OF AMERICA, INC.
Remove the axle nut using a socket wrench while depressing the brake pedal.
CAUTION: Remove the wheel before loosening the axle nut. Failure to follow this rule may damage the wheel bearings.
Remove the disc brake caliper from housing, and suspend it from strut using a wire.
Remove the disc rotor from hub.
NOTE: If the disc rotor seizes up within hub, drive disc rotor out by installing an 8-mm bolt in screw hole on rotor.

Fig 2: Removing Disc Brake Caliper From Housing
Courtesy of SUBARU OF AMERICA, INC.
Remove four bolts from housing.

Fig 3: Removing Bolts From Housing
Courtesy of SUBARU OF AMERICA, INC.
CAUTION:
- Do not get closer the tool which charged magnetism to magnetic encorder.
- Be careful not to damage the magnetic encoder.
Fig 4: Precautions For Operating Magnetic Encoder
Courtesy of SUBARU OF AMERICA, INC.
Remove the front hub unit bearing. If it is hard to remove, use STs.
ST1 926470000 AXLE SHAFT PULLER

ST2 927140000 AXLE SHAFT PULLER PLATE

Fig 5: Removing Front Hub Unit Bearing Using Special Tools
Courtesy of SUBARU OF AMERICA, INC.