FixVault

Rear Hub Unit Bearing: Installation

  1. Aligning the hub unit bearing to the mounting hole of the back plate, install the hub unit assembly and back plate. Tighten the axle nut temporarily.
    CAUTION:
    • Be careful not to damage the magnetic encoder.
    • Do not get closer the tool which charged magnetism to magnetic encoder.
    Fig 1: Identifying Magnetic Encoder And Rear Hub Unit Bearing
    G05032631Courtesy of SUBARU OF AMERICA, INC.
  2. Tighten the four bolts to the back plate.

    Tightening torque: 65 N.m (6.6 kgf-m, 47.9 ft-lb) 

    Fig 2: Identifying Back Plate/Rear Arm Bolts
    G05032627Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the axle nut.
  4. Draw the rear drive shaft into specified position.
  5. Tighten the new axle nut temporarily.
    CAUTION: Use a new axle nut (olive color).
  6. Install the disc rotor to hub.
  7. Install the disc brake caliper on the rear housing.

    Tightening torque: 60 N.m (6.1 kgf-m, 44.3 ft-lb) 

    Fig 3: Identifying Disc Brake Caliper Bolts
    G05032633Courtesy of SUBARU OF AMERICA, INC.
  8. Adjust the parking brake lever stroke by turning the adjuster. < Refer to ADJUSTMENT , Parking Brake Pedal. >
  9. While applying the parking brake and depressing the brake pedal, tighten a new axle nut (olive color) to the specified torque and lock it securely.

    Tightening torque: 240 N.m (24.5 kgf-m, 177 ft-lb) 

    CAUTION:
    • Install the wheel after installation of axle nut. Failure to follow this rule may damage the wheel bearing.
    • Be sure to tighten the axle nut to specified torque. Do not overtighten it as this may damage the wheel bearing.
  10. After tightening the axle nut, lock it securely.
    Fig 4: Locking Axle Nut
    G05032598Courtesy of SUBARU OF AMERICA, INC.
  11. Install the wheel and tighten the wheel nuts to specified torque.

    Tightening torque: 110 N.m (11.2 kgf-m, 81.1 ft-lb)