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Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> Front Suspension System And Wheel Alignment >> Front Arm >> Installation

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.
    • Visually check the bushing for abnormal cracks, fatigue or damage.
    • Visually check the boot on the ball joint COMPL for damage.
  2. Using new self-locking nuts and flange bolts, temporarily tighten the arm assembly front to the crossmember COMPL front.
  3. Install the arm assembly front to the front axle housing.
    CAUTION:
    • Do not apply grease to the socket section of ball joint COMPL.
    • Be careful not to damage the boot of the ball joint.
    • Before tightening bolts, make sure the bottom surface of front axle housing and stepped section of ball joint COMPL are in contact.
    G16336713Courtesy of SUBARU OF AMERICA, INC.
    (a) Bottom surface of front axle housing
    (b) Stepped section of ball joint COMPL
    (c) Front axle housing
    (d) Ball joint COMPL

    Tightening torque: 

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

  4. Install the sub frame COMPL.

    Tightening torque: 

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

  5. Install the under cover front.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

  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, confirm that the wheels are in full contact with the ground and the vehicle is at curb weight, and tighten the bolt which secures the arm assembly front to the crossmember COMPL front, and the bolt and nut which secure the assembly to the body side.

    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.
  9. Perform 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 .
  10. Perform the lane keep assist learning value clear. Ref. to EYESIGHT (DIAGNOSTICS)>WORK SUPPORT .