Front Hub Unit Bearing: Removal

1. Disconnect the ground cable from battery.
2. Lift-up the vehicle and remove the front wheels.
3. Unlock the axle nut.
   Fig 1: Unlocking Axle Nut

   Courtesy of SUBARU OF AMERICA, INC.
4. 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.
5. Remove the disc brake caliper from housing, and suspend it from strut using a wire.
6. 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 Rotor From Hub

   Courtesy of SUBARU OF AMERICA, INC.
7. Remove the ABS wheel speed sensor assembly and harness.
   Fig 3: Locating ABS Wheel Speed Sensor Assembly And Harness

   Courtesy of SUBARU OF AMERICA, INC.
8. Remove four bolts from housing.
   Fig 4: Removing Four Bolts From Housing

   Courtesy of SUBARU OF AMERICA, INC.
9. 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.