lemon-mirror:
Home >> Subaru >> 2014 >> Impreza WRX STI Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (STI) >> Intake Manifold >> Disassembly

Intake Manifold: Disassembly

  1. Remove clamp (A) holding the fuel pipe protector RH to the engine harness, and remove the fuel pipe protector RH.
    Fig 1: Identifying Fuel Pipe Protector Clamp (RH)
    G08538680Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the fuel pipe protector LH.
    Fig 2: Locating Fuel Pipe Protector Bolts (LH)
    G08538681Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the connector from the intake duct.
    Fig 3: Locating Intake Duct Connector
    G08538682Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the connector from the PCV hose assembly.
    Fig 4: Locating PCV Hose Assembly Connector
    G08538683Courtesy of SUBARU OF AMERICA, INC.
  5. Remove purge control solenoid valve 1 (A) and purge control solenoid valve 2 (B).
    Fig 5: Locating Purge Control Solenoid Valve 1 And 2
    G08538684Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector (A) from the wastegate control solenoid valve, and disconnect the vacuum hose (B) from the intake duct.
    Fig 6: Identifying Vacuum Hose And Wastegate Control Solenoid Valve Connector
    G08538685Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the solenoid valve bracket together with the wastegate control solenoid valve.
    Fig 7: Locating Solenoid Valve Bracket Bolts
    G08538686Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the engine ground terminals from the intake manifold.
    Fig 8: Locating Engine Ground Terminals Mounting Nuts
    G08538687Courtesy of SUBARU OF AMERICA, INC.
  9. Disconnect the connector (A) from the throttle position sensor, and the connector (B) from the manifold pressure sensor.
    Fig 9: Identifying Throttle Position Sensor And Manifold Pressure Sensor Connector
    G08538688Courtesy of SUBARU OF AMERICA, INC.
  10. Remove clip (A) holding the engine harness and vacuum hose, clip (B) holding the engine harness to the engine harness stay, and the bolt holding the engine harness to the intake manifold.
    Fig 10: Locating Clips
    G08538689Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the throttle body from the intake manifold.
    Fig 11: Locating Intake Manifold Bolts
    G08538690Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the harness band (A) which holds the engine harness to the fuel injector pipe.
    • RH side
      Fig 12: Identifying Harness Band (RH Side)
      G08538691Courtesy of SUBARU OF AMERICA, INC.
    • LH side
      Fig 13: Identifying Harness Band (LH Side)
      G08538692Courtesy of SUBARU OF AMERICA, INC.
  13. Disconnect the connector from fuel injector.
    Fig 14: Locating Fuel Injector Connectors
    G08538693Courtesy of SUBARU OF AMERICA, INC.
  14. Disconnect the connector from the tumble generator valve assembly.
    Fig 15: Locating Tumble Generator Valve Assembly Connector
    G08538694Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the bolts which hold fuel injector pipe.
    • RH side
      Fig 16: Locating Fuel Injector Pipe Bolts (RH Side)
      G08538695Courtesy of SUBARU OF AMERICA, INC.
    • LH side
      Fig 17: Locating Fuel Injector Pipe Bolts (LH Side)
      G08538696Courtesy of SUBARU OF AMERICA, INC.
      Fig 18: Locating Fuel Injector Pipe Bolts (LH Side)
      G08538697Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the fuel injector.
    Fig 19: Removing Fuel Injector
    G08538698Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the harness brackets holding the engine harness to the intake manifold, and remove the engine harness.
    Fig 20: Locating Engine Harness Brackets Bolt
    G08538699Courtesy of SUBARU OF AMERICA, INC.
  18. Loosen the clamp holding the RH side fuel hose to the fuel injector pipe RH, and remove the fuel injector pipe RH.
    Fig 21: Locating Side Fuel Hose To Fuel Injector Pipe Clamp Holding (RH)
    G08538700Courtesy of SUBARU OF AMERICA, INC.
  19. Loosen the clamp holding the LH side fuel hose to the fuel injector pipe LH, and remove the fuel injector pipe LH.
    Fig 22: Locating Side Fuel Hose To Fuel Injector Pipe Clamp Holding (LH)
    G08538701Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the bolts holding the fuel pipe assembly to the intake manifold, and remove the fuel pipe assembly.
    Fig 23: Locating Fuel Pipe Assembly Mounting Bolts
    G08538702Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the intake duct from intake manifold.
    Fig 24: Locating Intake Duct
    G08538703Courtesy of SUBARU OF AMERICA, INC.
  22. Remove the tumble generator valve assembly from the intake manifold.
    Fig 25: Locating Tumble Generator Valve Assembly Bolts
    G08538704Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the nipple from the intake manifold.
    Fig 26: Identifying Intake Manifold Nipples
    G08538705Courtesy of SUBARU OF AMERICA, INC.
· About lemon-mirror