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Home >> Subaru >> 2013 >> Forester X, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4DO) >> Intake Manifold >> Removal
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Intake Manifold: Removal

  1. Release the fuel pressure. < Refer to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel. >
  2. Disconnect the ground cable from battery.
    Fig 1: Connecting/Disconnecting Battery Ground Terminal
    G08570271Courtesy 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. < Refer to REMOVAL , Front Under Cover. >
  6. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. < Refer to DRAINING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant. >
  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
    G07664986Courtesy 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: Identifying Air Intake Boot And Throttle Body
    G08570273Courtesy of SUBARU OF AMERICA, INC.
  11. Disconnect the preheater hose from throttle body.
    Fig 4: Locating Preheater Hose Clips
    G08562566Courtesy 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: Identifying Purge Control Solenoid Valve Connector, Clip, Nut And Bolt
    G08562567Courtesy 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: Identifying Vacuum Hose, Manifold Absolute Pressure And Throttle Position Sensor Connector
    G08562568Courtesy of SUBARU OF AMERICA, INC.
  19. Disconnect the brake booster vacuum hose from the intake manifold.
    Fig 7: Locating Brake Booster Vacuum Hose Clamp
    G08562569Courtesy 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: Identifying Mass Air Flow And Intake Air Temperature Sensor Connector, Clip And Suction Hose
    G08562570Courtesy of SUBARU OF AMERICA, INC.
  22. Remove the air cleaner case (rear).
    Fig 9: Locating Air Cleaner Case Clamps
    G08562571Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the intake manifold protector RH.
    Fig 10: Locating Intake Manifold Protector Bolts (RH)
    G08562572Courtesy 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 figure.
    Fig 11: Disconnecting Quick Connector
    G08562573Courtesy of SUBARU OF AMERICA, INC.
    Fig 12: Locating Quick Connector
    G08315342Courtesy of SUBARU OF AMERICA, INC.
  25. Remove the intake manifold protector LH.
    Fig 13: Locating Intake Manifold Protector Bolts (LH)
    G08562575Courtesy 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 figure.
    Fig 14: Disconnecting Quick Connector
    G08562576Courtesy of SUBARU OF AMERICA, INC.
    Fig 15: Locating Quick Connector
    G08315345Courtesy 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
      G08562578Courtesy 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
    G08562579Courtesy 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. < Refer to ENGINE HARNESS , COMPONENT, General Description. >
    Fig 18: Locating Engine Harness Mounting Bolts
    G08562580Courtesy of SUBARU OF AMERICA, INC.
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