LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> Front Suspension System And Wheel Alignment >> Front Strut >> Assembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Front Strut: Assembly

  1. Before assembly, check each part. Refer to FRONT SUSPENSION>FRONT STRUT>INSPECTION .
  2. Using a coil spring compressor, compress the coil spring.
    CAUTION: When installing the coil spring compressor to the coil spring, follow the operation manual accompanied with the coil spring compressor during operation.
    NOTE: Make sure that the vertical install direction of the coil spring is as shown in the figure.
    G13642514Courtesy of SUBARU OF AMERICA, INC.
  3. Set the coil spring correctly so that its end face seats well in the spring seat as shown in the figure.
    CAUTION: Install the coil spring so that the end of spring is between the marks on the spring seat.
    G13642515Courtesy of SUBARU OF AMERICA, INC.
  4. Install the dust cover - inner and the helper - front strut to the piston rod.
  5. Pull the piston rod fully upward, and install the spring seat and the dust cover - front strut.
    NOTE: Position the spring seat UPR - front strut as shown in the figure.
    G13642516Courtesy of SUBARU OF AMERICA, INC.
  6. Install the spacer - front strut and the strut mount - front to the piston rod, and temporarily tighten a new self-locking nut.
  7. Using a hexagon wrench to prevent strut rod from turning, tighten the new self-locking nut with ST.
    CAUTION: Make sure that the strut mount - front turns smoothly after tightening.

    Preparation tool: 

    ST: STRUT MOUNT SOCKET (20399AG000)

    G10276647Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    55 N.m (5.6 kgf-m, 40.6 ft-lb)

  8. Loosen the coil spring compressor carefully.