2012 Subaru Forester X, Automatic TransFACTORY OEM SERVICE PROCEDURE

Intake Manifold: Removal

  1. Release the fuel pressure. < Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE. >
  2. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G07664663Courtesy of SUBARU OF AMERICA, INC.
  3. Open the fuel filler lid and remove the fuel filler cap.
  4. Lift up the vehicle.
  5. Remove the under cover RH. < Ref. to REMOVAL , Front Under Cover. >
  6. Drain approximately 3.0 I  (3.2 US qt, 2.6 Imp qt) of coolant. < Ref. to DRAINING OF ENGINE COOLANT , REPLACEMENT. >
  7. Remove the clip (A) from the air intake boot.
  8. Loosen the clamp (B) connecting the air intake boot and air cleaner case (rear).
  9. Loosen the clamp (C) which connects the air intake boot and throttle body.
    Fig 2: Identifying Air Intake Boot Clip And Clamps
    G00522287Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the air intake boot from the throttle body, and move it to the left side wheel apron.
    Fig 3: Removing Air Intake Boot From Throttle Body
    G00522288Courtesy of SUBARU OF AMERICA, INC.
  11. Disconnect the preheater hose from throttle body.
    Fig 4: Locating Preheater Hose
    G07664664Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the connector (A) from the purge control solenoid valve.
  13. Disconnect the clip (B) which holds the PCV hose.
  14. Remove the nut (C) which holds EGR pipe from the water pipe assembly.
  15. Loosen the bolt (D) which secures the EGR pipe to the intake manifold.
    Fig 5: Purge Control Solenoid Valve Connector, Clip, Nut And Bolt
    G07664665Courtesy of SUBARU OF AMERICA, INC.
  16. Disconnect the vacuum hose (A) from intake manifold.
  17. Disconnect the connector (B) from manifold absolute pressure sensor.
  18. Disconnect the connector (C) from the throttle position sensor.
    Fig 6: Vacuum Hose, Manifold Absolute Pressure Sensor Connector And Throttle Position Sensor Connector
    G07664666Courtesy of SUBARU OF AMERICA, INC.
  19. Disconnect the brake booster vacuum hose from the intake manifold.
    Fig 7: Locating Brake Booster Vacuum Hose
    G07664667Courtesy of SUBARU OF AMERICA, INC.
  20. Disconnect the connector (A) from the mass air flow and intake air temperature sensor, and remove the clip (B) which holds the mass air flow and intake air temperature sensor harness.
  21. Remove the suction hose (C) from the air cleaner case (rear).
    Fig 8: Mass Air Flow And Intake Air Temperature Sensor Connector And Suction Hose
    G07664668Courtesy of SUBARU OF AMERICA, INC.
  22. Remove the air cleaner case (rear).
    Fig 9: Locating Air Cleaner Case Clamps
    G07664669Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the intake manifold protector RH.
    Fig 10: Locating Intake Manifold Protector Mounting Bolt
    G07664670Courtesy of SUBARU OF AMERICA, INC.
  24. Disconnect the fuel delivery pipe from the fuel pipe RH.
    NOTE: Disconnect the quick connector as shown in the illustration.
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:

  • • 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.

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