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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Suspension >> Front Suspension System And Wheel Alignment >> Front Arm >> Installation
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Front Arm: 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. Before installation, inspect the following items and replace any faulty part with a new one.
    • Check the front arm assembly for damage or cracks, and replace if defective.
    • Visually check the bushing for abnormal cracks, fatigue or damage.
    • Visually check the boot on the ball joint for damage.
  2. Using new self-locking nuts and flange bolts, temporarily tighten the front arm assembly to the front crossmember assembly.
  3. Connect the ball joint and the front axle housing.
    CAUTION:
    • 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.
    G13642504Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

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

  4. Install the stabilizer link.

    Tightening torque: 

    60 N.m (6.1 kgf-m, 44.3 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. Unload the vehicle from the lift, and tighten the bolt which secures the front arm assembly to the front crossmember assembly while the wheels are in full contact with the ground and the vehicle is at curb weight.

    Tightening torque: 

    Refer to "COMPONENT" of "General Description" for the tightening torque. Refer to FRONT SUSPENSION>GENERAL DESCRIPTION>COMPONENT>FRONT SUSPENSION .

  8. Inspect the wheel alignment and adjust if necessary.
    CAUTION: When the wheel alignment has been adjusted, perform the following adjustment.
  9. Perform reinitialization of the auto headlight beam leveler system. (Model with auto headlight beam leveler) Refer to LIGHTING SYSTEM>AUTO HEADLIGHT BEAM LEVELER SYSTEM>PROCEDURE .