LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2013 >> Impreza Base, 4D Sedan, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (Except WRX) >> Intake Manifold >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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: Disconnecting Ground Cable From Battery
    G08317298Courtesy 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. < 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
    G08317299Courtesy 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
    G08317300Courtesy of SUBARU OF AMERICA, INC.
  11. Disconnect the preheater hose from throttle body.
    Fig 4: Locating Preheater Hose Clamps
    G08315334Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the connector (A) from the purge control solenoid valve.
  13. Loosen the bolt (B) which secures the EGR pipe to the intake manifold.
  14. Remove the nut (C) which holds EGR pipe from the water pipe assembly.
    Fig 5: Identifying Purge Control Solenoid Valve Connector, EGR Pipe Mounting Nut And Bolt
    G08315335Courtesy of SUBARU OF AMERICA, INC.
  15. Disconnect the PCV hose (A) from intake manifold.
  16. Disconnect the connector (B) from manifold absolute pressure sensor.
  17. Disconnect the connector (C) from the throttle position sensor.
    Fig 6: Identifying PCV Hose, Manifold Absolute Pressure Sensor And Throttle Position Sensor Connector
    G08315336Courtesy of SUBARU OF AMERICA, INC.
  18. Disconnect the brake booster vacuum hose from the intake manifold.
    Fig 7: Locating Brake Booster Vacuum Hose Mounting Clamp
    G08315337Courtesy of SUBARU OF AMERICA, INC.
  19. 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.
    Fig 8: Identifying Mass Air Flow And Intake Air Temperature Sensor Connector And Clip
    G08315338Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the air cleaner case (rear).
    Fig 9: Locating Air Cleaner Case (Rear)
    G08315339Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the intake manifold protector RH.
    Fig 10: Locating Intake Manifold Protector Bolts (RH)
    G08315340Courtesy of SUBARU OF AMERICA, INC.
  22. 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
    G08547332Courtesy of SUBARU OF AMERICA, INC.
    Fig 12: Locating Quick Connector
    G08315342Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the intake manifold protector LH.
    Fig 13: Locating Intake Manifold Protector Bolts (LH)
    G08315343Courtesy of SUBARU OF AMERICA, INC.
  24. 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
    G08547335Courtesy of SUBARU OF AMERICA, INC.
    Fig 15: Locating Quick Connector
    G08315345Courtesy of SUBARU OF AMERICA, INC.
  25. 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 Fuel Delivery Hose Quick Connector Using ST
      G08315346Courtesy of SUBARU OF AMERICA, INC.
  26. Remove the intake manifold from the tumble generator valve assembly.
    Fig 17: Locating Tumble Generator Valve Assembly Mounting Bolts
    G08315347Courtesy of SUBARU OF AMERICA, INC.
  27. 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 Intake Manifold Mounting Bolts
    G08315348Courtesy of SUBARU OF AMERICA, INC.
scientia non olet · About LEMON Manuals