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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Ball Joint >> Installation

Front Ball Joint: Installation

CAUTION:
  • For parts which are not reusable, always use new parts.
  • Do not apply grease to the tapered portion of ball stud.
  • Install the under cover - front so that the front end of the under cover (b) comes inside the bumper face - front (a).
Fig 1: Caution For Installing Front Under Cover
G10269429Courtesy of SUBARU OF AMERICA, INC.
  1. Install the ball joint assembly.
    CAUTION: Before tightening, make sure the bottom surface of the housing assembly - front axle and the stepped section of ball joint are in contact.
    Fig 2: Installing Ball Joint Assembly
    G11578980Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb) 

  2. Connect the ball joint assembly to the front arm assembly.
    NOTE: When tightening the castle nut, tighten the castle nut to the specified torque first, then tighten it further but within 60° until the hole in the ball stud is aligned with a slot in castle nut.

    Tightening torque: 

    39 N.m (4 kgf-m, 28.8 ft-lb) 

  3. Insert a new cotter pin and secure the castle nut.
  4. Install the clamp - stabilizer bushing.
    CAUTION: Install the clamp - stabilizer bushing with the arrow mark facing the front of the vehicle.
    Fig 3: Stabilizer Bushing Clamp
    G10269428Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb) 

  5. Install the under cover - front. <Ref. to INSTALLATION , Front Under Cover.>
  6. Install the front wheels.

    Tightening torque: 

    120 N.m (12.2 kgf-m, 88.5 ft-lb)