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Front Arm: Installation

CAUTION: For the non-reusable parts, always use new parts.
  1. Before installation, inspect the following items and replace any faulty part with a new one.
    • Check the arm assembly front for damage or cracks.
    • Check the bushing for abnormal cracks, damage or fatigue.
    • Check the boot on the ball joint for damage.
  2. Using the ST, install a new stud bolt.

    Preparation tool: 

    ST: STUD BOLT SOCKET (20299AG020)

    Tightening torque: 

    110 N.m (11.2 kgf-m, 81.1 ft-lb)

    G16524797Courtesy of SUBARU OF AMERICA, INC.
  3. Using the flange nut, install the arm assembly front ball stud to the front axle housing.
    CAUTION: Be careful not to damage the boot of the ball joint.

    Tightening torque: 

    51 N.m (5.2 kgf-m, 37.6 ft-lb)

  4. Install a new snap pin.
  5. Remove the bolts and nuts, and disconnect the strut assembly and the front axle housing.
    CAUTION: Turn and remove the nut while holding the bolt side.
    G16524799Courtesy of SUBARU OF AMERICA, INC.
  6. Install the arm assembly front.
    1. Using a bolt and a new self-locking nut, temporary install the arm assembly front.
    2. Using a new self-locking nut and a flange bolt, temporarily install the plate arm front.
    3. Set the transmission jack, etc. to (a) position shown in the figure, and apply a load to the arm assembly front.
      CAUTION: Do not set the transmission jack to other than position (a) in the figure. Doing so may deform the arm assembly front.
      G16524800Courtesy of SUBARU OF AMERICA, INC.
    4. Adjust the dimensions of the crossmember COMPL front (mounting surface of the sub frame COMPL) and the arm assembly front underside (seating surface against the transmission jack, etc.).
      G16524801Courtesy of SUBARU OF AMERICA, INC.
      (b) 28 mm (1.1 in)
    5. Tighten the bolts and nuts of the arm assembly front.

      Tightening torque: 

      Nut side: 85 N.m (8.7 kgf-m, 62.7 ft-lb)

    6. Tighten the bolts and nuts of the plate arm front.

      Tightening torque: 

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

  7. Using bolts and new flange nuts, install the strut assembly to the front axle housing.
    CAUTION: While holding the bolt side, tighten the nut to the specified torque.

    Tightening torque: 

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

  8. Connect the tie-rod ends. Ref. to POWER ASSISTED SYSTEM (POWER STEERING)>TIE-ROD END>INSTALLATION .
  9. Install the under cover front. Ref. to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>INSTALLATION .
  10. Install the front wheels. Ref. to WHEEL AND TIRE SYSTEM>TIRE AND WHEEL>INSTALLATION .
  11. Inspect the wheel alignment and adjust if necessary.
  12. Perform VSC (VDC) sensor midpoint setting mode. Ref. to VEHICLE STABILITY CONTROL>VSC (VDC) CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VSCCM & H/U)>ADJUSTMENT>VSC (VDC) SENSOR MIDPOINT SETTING MODE .