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Home >> Subaru >> 2018 >> WRX Base >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> 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).
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  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 dust cover 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 front arm assembly to the ball joint.
    CAUTION: Before tightening, make sure the bottom surface of the housing assembly - front axle and the stepped area of ball joint are in contact.
    G12443165

    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. Ref. 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. Ref. 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) Ref. to LIGHTING SYSTEM>Auto Headlight Beam Leveler System>PROCEDURE .