Front Hub Unit Bearing: Removal

Lift up the vehicle, and remove the front wheels.
Lift the crimped section of axle nut.

Fig 1: Lifting Crimped Section Of Axle Nut
Courtesy of SUBARU OF AMERICA, INC.
Remove the axle nut using a socket wrench while depressing the brake pedal.
CAUTION: Do not loosen the axle nut while the front axle is loaded. Doing so may damage the hub bearing.
Remove the front ABS wheel speed sensor.

Fig 2: Locating Axle Nut
Courtesy of SUBARU OF AMERICA, INC.
Remove the front disc brake and hang it to the front strut.
Remove the disc rotor.
NOTE: If it is difficult to remove the disc rotor, drive the 8 mm bolt into the threaded end of rotor, and remove the rotor.

Fig 3: Locating Disc Rotor Bolt
Courtesy of SUBARU OF AMERICA, INC.
Remove the four bolts from the housing.

Fig 4: Locating Housing Bolts
Courtesy of SUBARU OF AMERICA, INC.
CAUTION:
- Do not get closer the tool which charged magnetism to magnetic encoder.
- Be careful not to damage the magnetic encoder.
  
  Fig 5: Identifying Magnetic Encoder And Front Hub Unit Bearing
  Courtesy of SUBARU OF AMERICA, INC.
Remove the front hub unit bearing. If it is hard to remove, use the ST.
ST1 926470000 AXLE SHAFT PULLER

ST2 28099PA110 AXLE SHAFT PULLER PLATE

Fig 6: Removing Front Drive Shaft Assembly From Hub
Courtesy of SUBARU OF AMERICA, INC.