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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Drivelines & Axles >> Wheel Hubs >> Axle Shafts, Propeller Shaft & Hubs >> Front Hub Unit Bearing >> Installation

Front Hub Unit Bearing: Installation

  1. Place the back plate - front brake between the housing assembly - front axle and the hub unit COMPL - front axle, and tighten the bolt.
    CAUTION:
    • Do not get closer the tool which charged magnetism to magnetic encoder.
    • Be careful not to damage the magnetic encoder.
    Fig 1: Identifying Magnetic Encoder And Hub Unit COMPL - Front Axle
    G11255041Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    65 N.m (6.63 kgf-m, 47.9 ft-lb)

    Fig 2: Locating Housing ASSY - Front Axle Bolts
    G11270169Courtesy of SUBARU OF AMERICA, INC.
  2. Install the front drive shaft assembly.
    CAUTION:
    • Do not hammer the drive shaft assembly when installing.
    • Use new nut - axle.
    1. Insert the drive shaft assembly into the hub spline, and pull it into the specified position.
    2. Temporarily tighten the nut - axle.
  3. Install the disc rotor to the hub unit COMPL - front axle.
  4. Install the caliper body assembly and the brake hose bracket.

    Tightening torque: 

    Brake hose bracket: 33 N.m (3.36 kgf-m, 24.3 ft-lb)

    Mounting bolt: 80 N.m (8.16 kgf-m, 59.0 ft-lb)

  5. Install the front ABS wheel speed sensor.

    Tightening torque: 

    7.5 N.m (0.76 kgf-m, 5.5 ft-lb)

  6. While depressing the brake pedal, tighten new nuts - axle to the specified torque.
    CAUTION: Do not load the front axle before tightening the nut - axle. Doing so may damage the hub unit COMPL.

    Tightening torque: 

    220 N.m (22.43 kgf-m, 162.3 ft-lb)

  7. After tightening the nut - axle, lock it securely.
    Fig 3: Tightening Axle Nut
    G10323650Courtesy of SUBARU OF AMERICA, INC.
  8. Install the front wheels, and perform the following inspections.

    Tightening torque: 

    120 N.m (12.24 kgf-m, 88.5 ft-lb)

    1. Check the wheels for smooth rotation.
    2. Check that there is no looseness by moving the upper and lower portions of front tire in an axial direction with the brake pedal released.
      Fig 4: Checking Front Tire Looseness
      G08318673Courtesy of SUBARU OF AMERICA, INC.
    3. Check that there is no looseness by moving the upper and lower portions of front tire in an axial direction with the brake pedal depressed.
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