Rear Hub Unit Bearing: Removal

Disconnect the ground cable from the battery.
Lift up the vehicle, then remove the rear wheels.
Lift the crimped section of axle nut.

Fig 1: Lifting Crimped Section Of Axle Nut
Courtesy of SUBARU OF AMERICA, INC.
While applying the parking brake, remove the axle nut using a 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 the stabilizer using a wire.

Fig 3: Tying Disc Brake Caliper Using Wire
Courtesy of SUBARU OF AMERICA, INC.
Remove the disc rotor from the hub.
NOTE:
- Mark the mating surface of hub and disc rotor before removing the disc rotor to avoid confusing when installing.
- If it is difficult to remove the disc rotor from the hub, drive the 8 mm bolt into the threaded end of rotor, and then remove the rotor.
Remove the four bolts from rear arm.

Fig 4: Locating 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 encoder.
  
  Fig 5: Identifying Magnetic Encoder And Rear Hub Unit Bearing
  Courtesy of SUBARU OF AMERICA, INC.
  
  Fig 6: Removing Hub Unit Bearing
  Courtesy of SUBARU OF AMERICA, INC.
NOTE: If it is hard to remove, use the ST.

ST1 926470000 AXLE SHAFT PULLER

ST2 28099PA110 AXLE SHAFT PULLER PLATE

Fig 7: Removing Drive Shaft Bearing Using Axle Shaft Puller 926470000
Courtesy of SUBARU OF AMERICA, INC.