2018 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Front ABS Wheel Speed Sensor: Removal

  1. Disconnect the ground cable from battery. Ref. to NOTE>NOTE>BATTERY .
    NOTE: For model with battery sensor, disconnect the ground terminal from battery sensor.
  2. Lift up the vehicle, and then remove the front wheels.
  3. Remove the front ABS wheel speed sensor.
    CAUTION:
    • Be careful not to damage the sensor.
    • Do not apply excessive force to the sensor harness.
    • Leave the sensor harness clamp on the vehicle side.
    1. Disconnect the connector of the front ABS wheel speed sensor in the engine compartment.
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    2. Remove each harness clip and grommet.
    3. Remove the bolts, and remove the front ABS wheel speed sensor from the housing assembly - front axle.
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Factory Service Tools

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When to See a Mechanic

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

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

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