FUEL INJECTOR(for Direct Injection) REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during direct fuel injector assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Battery terminal is disconnected/reconnected Memorize steering angle neutral point LKA/LDA System

Click here

Intelligent clearance sonar system*1
Pre-crash safety system

Lighting system (EXT)


  • Cornering lights
Adaptive high beam system
Drive the vehicle until stop and start control is permitted (approximately 15 to 60 minutes) Stop and start system

Click here

Memorize steering angle neutral point Parking Assist Monitor System (w/ Parallel Parking Assist Function)

Click here

Parking Assist Monitor System (w/o Parallel Parking Assist Function)

Click here

Panoramic view monitor system

Click here

Initialize back door lock Power door lock control system

Click here

Reset back door close position Power back door system

Click here


  • Replacement of direct fuel injector assembly

  • Replacement of throttle body with motor assembly

  • Cleaning the deposits from the throttle body with motor assembly

 Inspection After Repair

  • Poor idle, etc.

  • Engine start function, etc.

Click here (for Rear Air Fuel Ratio Sensor)

Click here (for Rear Heated Oxygen Sensor)
*1: When performing learning using the GTS.
Click here Click here

PROCEDURE


  1. PRECAUTION

    Note

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Click here

  2. DISCHARGE FUEL SYSTEM PRESSURE

    Click here

  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Note

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Click here

  4. REMOVE INTAKE MANIFOLD

    Click here

  5. REMOVE FUEL PUMP PROTECTOR

    Click here

  6. REMOVE NO. 1 AIR TUBE

    Click here

  7. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

    Click here

  8. DISCONNECT SENSOR WIRE


    1. B007YHJ

      Remove the 2 bolts and disconnect the sensor wire from the fuel delivery pipe sub-assembly.

    2. Disconnect the 4 direct fuel injector assembly connectors.

    3. B007YYF

      Disconnect the fuel pressure sensor connector.

  9. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY


    1. B007YB4C01
      B007WXX Bolt
      B00803L Nut

      Remove the 3 bolts, 2 nuts and fuel delivery pipe sub-assembly with the direct fuel injector assemblies.

      Note


      • Make sure not to touch or strike the tips of the direct fuel injector assemblies.

      • Pull and remove the fuel delivery pipe sub-assembly in a straight line without tilting it.

  10. REMOVE DIRECT FUEL INJECTOR ASSEMBLY


    1. B007ZLCN01
      *1 No. 2

      Secure the fuel delivery pipe sub-assembly in a vise between aluminum plates and pull out the 4 direct fuel injector assemblies.

      Note


      • Pull and remove each direct fuel injector assembly in a straight line to avoid damaging the seal surface of the fuel delivery pipe sub-assembly O-ring.

      • After removing the direct fuel injector assemblies, remove any O-rings, No. 1 fuel injector back-up rings and No. 3 fuel injector back-up rings remaining on the fuel delivery pipe sub-assembly side.

      • Attach a tag or label with the corresponding cylinder number to each direct fuel injector assembly so that they can be installed to their original locations.

    2. Remove the nozzle holder clamp from each direct fuel injector assembly.

    3. Using needle nose pliers, remove the No. 3 fuel injector back-up ring from each direct fuel injector assembly.

      Note

      Do not damage the area that contacts the O-ring.

    4. Remove the O-ring and No. 1 fuel injector back-up ring from each direct fuel injector assembly.

    5. Remove the C-ring and injector vibration insulator from each direct fuel injector assembly.

  11. REMOVE FUEL INJECTOR SEAL


    1. B007ZF1

      Using the tip of needle nose pliers, pinch and pull the fuel injector seal at several points to stretch it.

      Note


      • Excessively pinching the fuel injector seal may damage the groove of the direct fuel injector assembly.

      • If a direct fuel injector assembly is dropped or the tip of the direct fuel injector assembly is struck, replace it with a new one.

    2. Remove the fuel injector seal from each direct fuel injector assembly.