2021 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Front Arm: Removal

  1. Lift up the vehicle, and then remove the front wheels.
  2. Remove the under cover - front. Refer to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>REMOVAL .
  3. Remove the front arm assembly.
    1. Remove the bolt, and then detach the front support.
    2. Remove the bolts and nuts, and then remove the front arm rear plate.
    3. Remove the nut and disconnect the stabilizer link.
    4. Remove the bolt from the front axle housing.
    5. Lower the arm assembly front, and remove the ball stud from the front axle housing.
    6. Remove the nuts, pull out the flange bolt, and remove the front arm assembly.
Fig 1: Front Arm Assembly, Nuts And Bolts Loosening Sequence
G13259808Courtesy of SUBARU OF AMERICA, INC.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.