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Home >> Subaru >> 2022 >> Forester Wilderness >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Intake Manifold Assembly >> Removal
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Intake Manifold Assembly: Removal

  1. If the fuel delivery tube is disconnected after removing the intake manifold assembly, perform the following work.
    1. Release the fuel pressure. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL>PROCEDURE>RELEASING OF FUEL PRESSURE .
    2. 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.
  2. Remove the battery. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>BATTERY>REMOVAL .
  3. Remove the collector cover. Ref. to INTAKE (INDUCTION) (H4DO)>COLLECTOR COVER>REMOVAL .
  4. Remove the clip from the air intake boot, and loosen the clamp.
    G13223823Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the air intake boot, and place it aside so that it does not interfere with the work.
    CAUTION: Be careful not to pull out the PCV hose.
    G13223824Courtesy of SUBARU OF AMERICA, INC.
  6. When the engine coolant remains before removing the intake manifold assembly
    1. Disconnect the connector (A).
    2. Remove the bolts securing the throttle body, and move the throttle body aside so that it does not interfere with the work.
    G13223829Courtesy of SUBARU OF AMERICA, INC.
  7. When the engine coolant has been drained before removing the intake manifold assembly
    1. Disconnect the connector (A), and disconnect the preheater hose (B).
    G13223864Courtesy of SUBARU OF AMERICA, INC.
  8. Disconnect the connector (A).
  9. Disconnect the evaporation hose (B).
  10. Disconnect the PCV hose No. 1 (C).
  11. Remove the bolt securing the fuel pipe.
    G13223831Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the connector (A).
  13. Remove the fuel delivery tube clamp (B).
  14. Remove the clip (C).
    G13223832Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the nut (A) securing the EGR Cooler.
  16. Remove stud bolt (B) using TORX® E8.
  17. Loosen the bolt (C) holding the EGR cooler.
    G13223833Courtesy of SUBARU OF AMERICA, INC.
  18. Disconnect the connector (A), connector (B) and terminal (C).
  19. Remove the clip (D) and clip (E) that secure the battery cable assembly.
    G13223834Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the connector (A) and connector (B).
    G13223835Courtesy of SUBARU OF AMERICA, INC.
  21. Disconnect the brake booster vacuum hose (A). (Vacuum brake booster model)
  22. Disconnect the connector (B), and remove the engine wiring harness from the clip (C).
  23. Remove the clip (D) and clip (E) from the intake manifold assembly.
    G13223836Courtesy of SUBARU OF AMERICA, INC.
  24. Disconnect the connector (A).
  25. Cut off the clip (B) using nippers or the similar.
    NOTE: Put alignment marks (a) on the clip and the engine wiring harness.
    G13223837Courtesy of SUBARU OF AMERICA, INC.
    G13223838Courtesy of SUBARU OF AMERICA, INC.
  26. Disengage the claw (A) which holds the battery cable assembly to the bracket, and disengage the claw (B) which holds the engine wiring harness.
    G13223839Courtesy of SUBARU OF AMERICA, INC.
  27. Disconnect connector (A) from ECM. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>ENGINE CONTROL MODULE (ECM)>REMOVAL .
  28. Disconnect connector (B) and terminal (C) from the main fuse box.
  29. Remove the engine wiring harness from the clip (D), place it aside so that it does not interfere with work.
    G13223840Courtesy of SUBARU OF AMERICA, INC.
  30. Remove the fuel pipe protector.
    G13223841Courtesy of SUBARU OF AMERICA, INC.
  31. Remove the fuel delivery tube.
    G13223842Courtesy of SUBARU OF AMERICA, INC.
  32. Remove the intake manifold assembly.
    • RH side
      G13223843Courtesy of SUBARU OF AMERICA, INC.
    • LH side
    G13223844Courtesy of SUBARU OF AMERICA, INC.
  33. Remove the cylinder head plate.
    NOTE: Perform this procedure only when required.
    G13223845Courtesy of SUBARU OF AMERICA, INC.
  34. Disconnect the fuel delivery pipe. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL DELIVERY AND EVAPORATION LINES>REMOVAL>QUICK CONNECTOR DISCONNECTION (TYPE C) .
    G13223846Courtesy of SUBARU OF AMERICA, INC.
  35. Disconnect the fuel delivery pipe (A). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL DELIVERY AND EVAPORATION LINES>REMOVAL>QUICK CONNECTOR DISCONNECTION (TYPE B) .
  36. Disconnect the fuel delivery tube (B). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL DELIVERY AND EVAPORATION LINES>REMOVAL>QUICK CONNECTOR DISCONNECTION (TYPE A) .
  37. Remove the clip (C) from the fuel pipe.
G13223847Courtesy of SUBARU OF AMERICA, INC.
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