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HOMESERVICE MANUALSSUBARU2014LEGACY 2.5I, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESWHEEL HUBSAXLE SHAFTS, PROPELLER SHAFT & HUBSREAR HUB UNIT BEARINGINSTALLATION
2014 Subaru Legacy 2.5i, Automatic CVT Trans

Rear Hub Unit Bearing: Installation

2014 Subaru Legacy 2.5i, Automatic CVT TransSECTION Installation
  1. Aligning with the mounting hole of the rear brake back plate, temporarily tighten the rear hub unit bearing to the rear axle housing.
    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
      G08583387Courtesy of SUBARU OF AMERICA, INC.
  2. Tighten the rear hub unit bearing.
    Fig 2: Locating Rear Hub Unit Bearing Bolts
    G07914119Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    65 N.m (6.63 kgf-m, 47.9 ft-lb) 

  3. Tighten the new axle nut temporarily.
    CAUTION: Use new axle nuts.
  4. Install the rear disc rotor.
  5. Install the disc brake.

    Tightening torque: 

    66 N.m (6.73 kgf-m, 48.7 ft-lb) 

  6. While pressing the brake pedal, tighten the new axle nuts to the specified torque.
    CAUTION: Do not load the rear axle before tightening the axle nut. Doing so may damage the hub bearing.

    Tightening torque: 

    240 N.m (24.47 kgf-m, 177 ft-lb) 

  7. Inspect the lean of axis direction using a dial gauge. Replace the bearing if the load range exceeds the limitation.
    Fig 3: Inspecting Lean Of Axis Direction Using Dial Gauge
    G07914127Courtesy of SUBARU OF AMERICA, INC.

    Service limit: 

    Maximum: 0.05 mm (0.0020 in) 

  8. After tightening the axle nut, lock it securely.
    Fig 4: Locking Axle Nut
    G05032598Courtesy of SUBARU OF AMERICA, INC.
  9. Install the rear wheels.

    Tightening torque: 

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

  10. Moving the rear tire up and down by hand, check there is no backlash in bearing, and check the wheel rotates smoothly.
    CAUTION: If there is any fault in the bearing, replace hub unit bearing.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.