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Home >> Subaru >> 2018 >> Forester 2.5i, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control/Fuel Injection System (H4DO) >> Knock Sensor >> Removal
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Knock Sensor: Removal

  1. Disconnect the ground terminal from battery sensor. Ref. to NOTE>NOTE>BATTERY .
  2. Remove the clip (A) from the air intake boot.
  3. Loosen the clamp (B) securing the air cleaner case (rear) to the air intake boot.
  4. Loosen the clamp (C) which secures the throttle body to the air intake boot.
    G12505375Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the air intake boot from the throttle body, and place the air intake boot aside so that it does not interfere with the work.
    G12505376Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector from the knock sensor.
    G12505377Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the knock sensor from cylinder block.
    G12505378Courtesy of SUBARU OF AMERICA, INC.
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