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Home >> Hyundai >> 2017 >> Elantra GT Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Delivery System >> High Pressure Fuel Pump >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don't do any repair work right after engine stops.
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Release the residual pressure in fuel line (Refer to "RELEASE RESIDUAL PRESSURE IN FUEL LINE " ).
    CAUTION: When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur.
    Delete the code with the GDS after completion of "Release Residual Pressure in Fuel Line" work.
  3. Remove the air cleaner and the air intake hose. (Refer to "AIR CLEANER ")
  4. Remove the pump foam (A).
    Fig 1: Removing Pump Foam
    G12066452Courtesy of HYUNDAI MOTOR AMERICA
  5. Disconnect the fuel pressure control valve connector (A).
    Fig 2: Disconnecting Fuel Pressure Control Valve Connector
    G12066453Courtesy of HYUNDAI MOTOR AMERICA
  6. Disconnect the fuel feed tube quick-connector (A) with a clip removing tool.
    Fig 3: Disconnecting Fuel Feed Tube Quick-Connector With Clip Removing Tool
    G12066454Courtesy of HYUNDAI MOTOR AMERICA
    NOTE: Open the clamp cover (B) before disconnecting the quick-connector. (If the clip is applied)
    Fig 4: Opening Clamp Cover
    G12066455Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION: When removing the quick-connnector with the clip removing tool (A), be careful not to damage the plastic clip (B).
    If the clip is damaged, fuel line leak can be occurred due to a bad connection.
    Fig 5: Locating Plastic Clip
    G12066456Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the high pressure fuel pipe.
    1. Remove the installation nut (B) from the high pressure fuel pump with the special service tool [SST No.: 09314-3Q100 or 09314-27130].
    2. Remove the installation nut (C) from the delivery pipe with the special service tool [SST No.: 09314-3Q100]
    3. Remove the purge control solenoid valve (Refer to "PURGE CONTROL SOLENOID VALVE " ).
    4. Remove the function block installation bolts (D), and then remove the high pressure fuel pipe.
  8. Remove the installation bolts (E), and then remove the high pressure fuel pump from the cylinder head assembly.
    CAUTION: Unscrew in turn the two bolts in small step (0.5 turns). In case of fully unscrewing one of the two bolts with the other bolt installed, the housing surface of the cylinder head may be broken because of tension of the pump spring.
    Fig 6: Removing Installation Nut From High Pressure Fuel Pump
    G12066457Courtesy of HYUNDAI MOTOR AMERICA
    Fig 7: Removing Installation Nut From Delivery Pipe
    G12066458Courtesy of HYUNDAI MOTOR AMERICA
    Fig 8: Removing Function Block Installation Bolts
    G12066459Courtesy of HYUNDAI MOTOR AMERICA