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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Drivelines & Axles >> Axle Shafts, Propeller Shaft And Hubs >> Front Axle >> Installation

Front Axle: Installation

  1. Install the front hub unit bearing. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>Front Hub Unit Bearing>INSTALLATION .
  2. Install the front axle housing to the strut assembly.
    1. Set the front axle housing and temporarily install the adjusting bolt, adjusting washer and flange bolt.
      CAUTION: Be sure to use a new self-locking nut.
    2. Align the alignment mark (A) and tighten the self-locking nut.
    CAUTION: Tighten the self-locking nut while holding the bolt side.

    Tightening torque: 

    155 N.m (15.8 kgf-m, 114.3 ft-lb)

    G13199648Courtesy of SUBARU OF AMERICA, INC.
  3. Insert the front drive shaft into the front hub unit bearing.
    CAUTION:
    • Be careful not to damage the spline portion of the front drive shaft.
    • Be careful not to damage the front hub unit bearing.
    • Be careful not to damage the boot of the ball joint.
  4. Connect the front axle housing to the arm COMPL front.
    CAUTION:
    • Be careful not to damage the boot of the ball joint.
    • Before tightening, make sure the bottom surface of front axle housing and stepped section of ball joint COMPL are in contact.

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb)

    G13863479Courtesy of SUBARU OF AMERICA, INC.
  5. Connect the stabilizer link front.

    Tightening torque: 

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

  6. Connect the tie-rod ends.
    CAUTION: Do not apply grease, etc. to the tapered portion of ball joint.
    1. Tighten the castle nut.
      NOTE: If the ball stud hole and the cutout portion of the castle nut are not aligned after tightening, tighten the castle nut within the range of 60° to align with each other  .

      Tightening torque: 

      27 N.m (2.8 kgf-m, 19.9 ft-lb)

    2. Install a new cotter pin.
  7. Install the front ABS wheel speed sensor and clips.

    Tightening torque: 

    7.5 N.m (0.8 kgf-m, 5.5 ft-lb)

  8. Install the front brake back plate.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

  9. Install the front disc rotor. Ref. to BRAKE>Front Disc Rotor>INSTALLATION .
  10. While depressing the brake pedal, install the axle nut.
    CAUTION: Be sure to use a new axle nut.

    Tightening torque: 

    220 N.m (22.4 kgf-m, 162.3 ft-lb)

  11. Crimp the axle nut.
    G13199626Courtesy of SUBARU OF AMERICA, INC.
  12. Install the front wheels. Ref. to WHEEL AND TIRE SYSTEM>Tire and Wheel>INSTALLATION .
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