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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> Front Suspension System And Wheel Alignment >> Front Ball Joint >> Installation
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Front Ball Joint: Installation

CAUTION:
  • For parts which are not reusable, always use new parts.
  • Install the under cover - front so that the front end of the under cover (b) comes inside the bumper face - front (a).
G10269429Courtesy of SUBARU OF AMERICA, INC.
  1. Install the ball joint.
    CAUTION:
    • Do not apply grease to the tapered portion of ball stud.
    • Before tightening, make sure the lower side of front axle housing and stepped section of ball joint are in contact.
    • Be careful not to damage the boot of the joint.
    G13642499Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

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

  2. Connect the ball joint and front arm assembly.
    NOTE: When tightening the castle nut, tighten the castle nut to the specified torque first, then tighten it further but within 60° until the hole in the ball stud is aligned with a slot in castle nut.

    Tightening torque: 

    39 N.m (4 kgf-m, 28.8 ft-lb)

  3. Insert a new cotter pin and bend it around the castle nut.
  4. Install the clamp - stabilizer bushing.
    CAUTION: Install the clamp - stabilizer bushing with the arrow mark facing the front of the vehicle.
    G13642486Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb)

  5. Install the under cover - front. Refer to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>INSTALLATION .
  6. Install the front wheels.

    Tightening torque: 

    120 N.m (12.2 kgf-m, 88.5 ft-lb)

  7. Inspect the wheel alignment and adjust if necessary.
    CAUTION: When the wheel alignment has been adjusted, perform the following adjustment.