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Home >> Subaru >> 2014 >> Outback 2.5i Premium, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Drive Shaft System) >> Front Hub Unit Bearing >> Installation

Front Hub Unit Bearing: Installation

WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  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 Of Front Axle
    G09483317Courtesy of SUBARU OF AMERICA, INC.
    Fig 2: Locating Bolts Of Housing Assembly - Front Axle
    G09483318Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    65 N.m (6.63 kgf-m, 47.9 ft-lb) 

  2. Install the front axle shaft assembly.
    CAUTION:
    • Do not tap the axle shaft using a hammer when installing axle shaft assembly.
    • Use new nut - axle.
    1. Insert the axle shaft assembly into the hub spline, and pull in the axle shaft assembly into 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 to the housing assembly - front axle.

    Tightening torque: 

    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. Inspect the lean of axis direction using a dial gauge. Replace the hub unit COMPL - front axle if the play exceeds the limit.
    Fig 3: Checking Lean Of Axis Direction Using Dial Gauge
    G09483307Courtesy of SUBARU OF AMERICA, INC.

    Service limit: 

    Maximum: 0.05 mm (0.0020 in) 

  8. After tightening the nut - axle, lock it securely.
    Fig 4: Locking Axle Nut
    G05032598Courtesy of SUBARU OF AMERICA, INC.
  9. 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 play by moving the upper and lower portions of front tire in an axial direction with the brake pedal released.
      Fig 5: Checking Wheels For Smooth Rotation
      G08318673Courtesy of SUBARU OF AMERICA, INC.
      • Play exists  → Check the hub unit COMPL - front axle. < Ref. to INSPECTION , Front Hub Unit Bearing. >
    3. Check that there is no play by moving the upper and lower portions of front tire in an axial direction with the brake pedal depressed.
      • Play exists  → Replace the ball joint assembly. < Ref. to REMOVAL , Front Ball Joint. >