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Home › Subaru › 2025 › Impreza Base › Repair and Diagnosis › Suspension › Front Suspension System And Wheel Alignment › Front Arm › Installation › IMPREZA Model

IMPREZA Model

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 front arm assembly for damage or cracks.
    • Check the bushing for abnormal cracks, damage or fatigue.
    • Check the boot on the ball joint for damage.
  2. Using new bolts and new nuts, temporarily install the front arm assembly and the front arm rear plate.
    CAUTION: Be careful not to damage the boot of the ball joint.
  3. Tighten the bolts for front arm rear plate.

    Tightening torque: 

    150 N.m (15.3 kgf-m, 110.6 ft-lb)

  4. Using new bolts and new nuts, connect the front arm assembly ball stud to the front axle housing.
    CAUTION:
    • Do not apply grease to the ball stud section of ball joint COMPL.
    • Be careful not to damage the boot of the ball joint.
    • Before tightening, make sure the narrow section of the ball stud and the housing hole are matched.
    • While holding the bolt side, tighten the nut to the specified torque.

    Tightening torque: 

    70 N.m (7.1 kgf-m, 51.6 ft-lb)

    G16762011Courtesy of SUBARU OF AMERICA, INC.
    (A) Ball joint COMPL
    (B) Front axle housing
  5. Install the crossmember support rear. Ref. to FRONT SUSPENSION>CROSSMEMBER SUPPORT>INSTALLATION .
  6. Disconnect the front axle housing from the strut assembly.
    1. Place an alignment mark (A) on the adjusting bolt and the strut assembly.
    2. Remove the adjusting bolts and the bolts.
      CAUTION: Turn and remove the nut while holding the bolt side.
    3. Disconnect the front axle housing from the strut assembly.
      G16762012Courtesy of SUBARU OF AMERICA, INC.
  7. Install the front arm assembly.
    1. Apply a load to the front arm assembly using a transmission jack.
      G16762013Courtesy of SUBARU OF AMERICA, INC.
    2. Adjust the clearance between the upper surface of crossmember support rear and the lower surface of ball joint connection of the front arm assembly.
      G16762014Courtesy of SUBARU OF AMERICA, INC.
      Standard (A) 11.7 mm (0.46 in)
    3. Tighten the bolts and nuts of the front arm assembly.
      CAUTION: For T1, tighten the bolt to the specified torque while holding the nut side.
      For T2, tighten the nut to specified torque.

      Tightening torque: 

      T1: 95 N.m (9.7 kgf-m, 70.1 ft-lb)

      T2: 110 N.m (11.2 kgf-m, 81.1 ft-lb)

    G16762015Courtesy of SUBARU OF AMERICA, INC.
  8. Install the front axle housing to the strut assembly.
    1. Align alignment marks on the adjusting bolt and strut assembly.
      CAUTION: Do not forget to install the adjusting washer.
    2. Using new nuts, install the strut assembly to the front axle housing.
      CAUTION: While holding the bolt side, tighten the nut to the specified torque.
      NOTE: First, tighten the adjusting bolt (upper side) to the specified torque.

      Tightening torque: 

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

  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 the VDC sensor midpoint setting mode. Ref. to VEHICLE DYNAMICS CONTROL (VDC>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U)>ADJUSTMENT>VDC SENSOR MIDPOINT SETTING MODE .
  13. Perform the END STOP learning. Ref. to POWER STEERING (DIAGNOSTICS)>INSPECTION MODE>PROCEDURE>INSPECTION MODE B .
  14. Using Subaru Select Monitor, perform [Clear Active Lane Keep System Learning Value] in the [Work Support] of [EyeSight]. Ref. to EYESIGHT (DIAGNOSTICS)>WORK SUPPORT .
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