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Home >> Subaru >> 2012 >> Forester X, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System - Fuel Injection (H4DO) >> Intake Manifold >> Removal
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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.
    Fig 11: Disconnecting Fuel Delivery Pipe
    G07664671Courtesy of SUBARU OF AMERICA, INC.
    Fig 12: Locating Quick Connector
    G07664672Courtesy of SUBARU OF AMERICA, INC.
  25. Remove the intake manifold protector LH.
    Fig 13: Locating Intake Manifold Protector Mounting Bolts
    G07664673Courtesy of SUBARU OF AMERICA, INC.
  26. Disconnect the fuel delivery pipe from the fuel pipe LH.
    NOTE: Disconnect the quick connector as shown in the illustration.
    Fig 14: Disconnecting Quick Connector
    G07664674Courtesy of SUBARU OF AMERICA, INC.
    Fig 15: Locating Fuel Delivery Hose And Evaporation Hose
    G07664675Courtesy of SUBARU OF AMERICA, INC.
  27. Disconnect the fuel delivery hose (A) and evaporation hose (B).
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from hoses using a container or cloth.
    1. Attach ST to the fuel delivery pipe and push ST in the direction of arrow mark to disconnect the quick connector of the fuel delivery hose (A).

      ST 42099AE000 QUICK CONNECTOR RELEASE 

    2. Remove the clip and disconnect the evaporation hose (B) from the evaporation pipe.
      Fig 16: Disconnecting Quick Connector Of Fuel Delivery Hose
      G07664676Courtesy of SUBARU OF AMERICA, INC.
  28. Remove the intake manifold from the tumble generator valve assembly.
    Fig 17: Locating Tumble Generator Valve Assembly Mounting Bolts
    G07664677Courtesy of SUBARU OF AMERICA, INC.
  29. Disconnect the connector from the engine, and then remove the engine harness.
    NOTE: Refer to "COMPONENT" of "General Description" for how to disconnect the engine harness connectors. < Ref. to ENGINE HARNESS , COMPONENT. >
    Fig 18: Locating Engine Mounting Bolts
    G07664678Courtesy of SUBARU OF AMERICA, INC.
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