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

Ball Joint: Installation

CAUTION: For parts which are not reusable, always use new parts.
  1. Install the ball joint COMPL to the front axle housing.
    CAUTION:
    • Do not apply grease to the tapered portion of ball stud.
    • Be careful not to damage the boot of the joint.
    • Before tightening, make sure the bottom surface of front axle housing and stepped section of ball joint COMPL are in contact.

    Tightening torque: 

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

    G13949554Courtesy of SUBARU OF AMERICA, INC.
  2. Install the ball joint COMPL into the arm COMPL front.
    1. Connect the ball joint COMPL to the arm COMPL front.
      NOTE: If the ball stud hole and the cutout portion of the castle nut are not aligned after tightening, tighten the castle nut within the range of 60° to align with each other.

      Tightening torque: 

      39 N.m (4.0 kgf-m, 28.8 ft-lb)

    2. Insert a new cotter pin, and bend it around the castle nut to form an anchor shape.
  3. Install the front wheels. Ref. to WHEEL AND TIRE SYSTEM>TIRE AND WHEEL>INSTALLATION .
  4. Inspect the wheel alignment and adjust if necessary.
  5. Perform the following adjustments using Subaru Select Monitor.