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 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

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 fuel injector assembly (for Port Injection)

  • Replacement of fuel injector assembly (for Direct Injection)

  • 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.

w/ Canister Pump Module: Click here

w/o Canister Pump Module: Click here

PROCEDURE


  1. REMOVE FUEL PUMP ASSEMBLY (for High Pressure)

    Click here

  2. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY

    CAUTION:

    To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressure before removing any fuel system components.

    B007X6F

    1. B007ZCJ

      Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 2 fuel pipe sub-assembly.

    2. Remove the No. 2 fuel pipe sub-assembly from the fuel delivery pipe with sensor assembly LH and fuel delivery pipe RH.

  3. REMOVE WIRE HARNESS CLAMP BRACKET


    1. B007XHN

      Disconnect the No. 6 engine wire connector and No. 7 engine wire connector.

    2. B007X8B

      Disengage the 2 clamps to remove the wire harness clamp bracket.

  4. REMOVE FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH


    1. B007XI1

      Disconnect the fuel pressure sensor connector.

    2. B007ZH2

      Remove the bolt.

    3. Disengage the clamp to disconnect the No. 7 engine wire from the fuel delivery pipe with sensor assembly LH.

    4. B007YFKC01
      B007WXX Bolt
      B00803L Nut

      Remove the 2 bolts, 2 nuts and fuel delivery pipe with sensor assembly LH with the fuel injector assemblies.

      Note


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

      • Pull and remove the fuel delivery pipe with sensor assembly LH in a straight line without tilting it.

    5. B007XOU

      Disconnect the 3 fuel injector assembly connectors.

  5. REMOVE FUEL DELIVERY PIPE RH


    1. B007XQO

      Remove the bolt.

    2. Disengage the clamp to disconnect the No. 6 engine wire from the fuel delivery pipe RH.

    3. B007X68C01
      B007WXX Bolt
      B00803L Nut

      Remove the 2 bolts, 2 nuts and fuel delivery pipe RH with the fuel injector assemblies.

      Note


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

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

    4. B007YT6

      Disconnect the 3 fuel injector assembly connectors.

  6. REMOVE FUEL INJECTOR ASSEMBLY


    1. B007ZKKN01
      *1 No. 2

      Secure the fuel delivery pipe with sensor assembly LH and fuel delivery pipe RH in a vise between aluminum plates and pull out the 6 fuel injector assemblies.

      Note


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

      • After removing the 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 with sensor assembly LH and fuel delivery pipe RH side.

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

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

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

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

  7. REMOVE FUEL INJECTOR SEAL


    1. B007Y4K

      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 fuel injector assembly.

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

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