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Home >> Subaru >> 2018 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control/Fuel Injection System (H4DOTC) >> Intake Manifold >> Removal
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Intake Manifold: Removal

  1. Remove the collector cover.
    1. Remove the clip (A).
    2. Hold the shaded area (B) by hand and carefully pull the RH side (C) upward.
    3. Hold the shaded area (D) by hand and carefully pull the LH side (E) upward.
    G12508851Courtesy of SUBARU OF AMERICA, INC.
  2. Release the fuel pressure. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Fuel>PROCEDURE>RELEASING OF FUEL PRESSURE .
  3. Disconnect the ground cable from battery.
  4. Open the fuel filler lid and remove the fuel filler cap.
    NOTE: This operation is required to release the inner pressure of the fuel tank.
  5. Lift up the vehicle.
  6. Remove the under cover. Ref. to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>REMOVAL .
  7. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of engine coolant. Ref. to COOLING (H4DOTC)>Engine Coolant>REPLACEMENT>DRAINING OF ENGINE COOLANT .
  8. Remove the intercooler. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTERCOOLER>REMOVAL .
  9. Remove the intake duct No. 2. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTAKE DUCT>REMOVAL>INTAKE DUCT NO. 2 .
  10. Remove the intake duct No. 3. Ref. to INTAKE (INDUCTION) (H4DOTC)>Intake Duct>REMOVAL>INTAKE DUCT NO. 3 .
  11. Disconnect the PCV hose from the PCV valve.
    G12508852Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the connector (A) from the throttle body, and disconnect the preheater hose (B) from the throttle body.
    G12508853Courtesy of SUBARU OF AMERICA, INC.
  13. Disconnect sections (A) and (B) of the brake booster vacuum hose from the brake vacuum pump and intake manifold, and remove the brake booster vacuum hose from the clip (C).
  14. Remove the brake booster vacuum hose from the clip (D), and place the brake booster vacuum hose aside so that it does not interfere with the work.
    G12508854Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the clips securing the PCV pipe and generator cord to the intake manifold.
    G12508855Courtesy of SUBARU OF AMERICA, INC.
  16. Disconnect the vacuum control hose and vacuum hose from the vacuum pipe assembly.
    G12508856Courtesy of SUBARU OF AMERICA, INC.
  17. Disconnect two vacuum hoses from the canister pipe.
    G12508857Courtesy of SUBARU OF AMERICA, INC.
  18. Disconnect the connector from the purge control solenoid valve.
    G12508858Courtesy of SUBARU OF AMERICA, INC.
  19. Disconnect the connector from the manifold absolute pressure and intake air temperature sensor.
    G12508859Courtesy of SUBARU OF AMERICA, INC.
  20. Disconnect the connector (A) from the tumble generator valve LH, and remove the bolt securing the fuel pipe protector to the intake manifold.
  21. Disconnect the connector (B) from the tumble generator valve RH.
    G12508860Courtesy of SUBARU OF AMERICA, INC.
  22. Remove the engine wiring harness clip from the intake manifold.
    G12508861Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the bolt securing the EGR pipe to the EGR valve.
    G12508862Courtesy of SUBARU OF AMERICA, INC.
  24. Disconnect the fuel delivery tube and evaporation hose.
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from the tubes using a container or cloth.
    1. Disconnect the quick connector on the fuel delivery tube from the fuel pipe assembly, and remove the clip (A) securing the fuel delivery tube.
      NOTE: Disconnect the quick connector as shown in the figure.
      G12508863Courtesy of SUBARU OF AMERICA, INC.
      G12508864Courtesy of SUBARU OF AMERICA, INC.
    2. Disconnect the evaporation hose from the fuel pipe assembly.
    G12508865Courtesy of SUBARU OF AMERICA, INC.
  25. Remove the bolts securing the fuel pipe assembly to the intake manifold.
    G12508866Courtesy of SUBARU OF AMERICA, INC.
  26. Disconnect the fuel delivery pipe (A) and vacuum hose (B), and remove the fuel pipe assembly.
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from the pipes using a container or cloth.
    NOTE: Disconnect the quick connector as shown in the figure.
    G12508867Courtesy of SUBARU OF AMERICA, INC.
    G12508868Courtesy of SUBARU OF AMERICA, INC.
  27. Remove the intake manifold from the air intake adapter together with the tumble generator valve assembly.
    G12508869Courtesy of SUBARU OF AMERICA, INC.
  28. Remove the vacuum hose assembly from the water pipe assembly.
    G12508870Courtesy of SUBARU OF AMERICA, INC.
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