2012 Subaru Forester X, Automatic TransFACTORY OEM SERVICE PROCEDURE

Non-Turbo Model

  1. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G07664586Courtesy of SUBARU OF AMERICA, INC.
  2. Disconnect the connector (A) from the mass air flow and intake air temperature sensor, and remove the clip (B).
    Fig 2: Mass Air Flow And Intake Air Temperature Sensor Connector And Clip
    G07664587Courtesy of SUBARU OF AMERICA, INC.
  3. Loosen the clamp (A) which connects the air cleaner case to intake boot.
  4. Remove the clips (B) securing the upper side of the air cleaner case.
    Fig 3: Air Cleaner Case Clips And Clamp
    G07664588Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the air cleaner case (rear) and air cleaner element.
    Fig 4: Removing Air Cleaner Case (Rear) And Air Cleaner Element
    G07664589Courtesy of SUBARU OF AMERICA, INC.
  6. Install in the reverse order of removal.
    CAUTION: Be sure to use SUBARU genuine air cleaner element depending on the engine type when replacing the air cleaner elements. Using other air cleaner element may affect the engine performance.
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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.