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Home >> Hyundai >> 2018 >> Tucson Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Fuel Delivery System - 1.6L) >> High Pressure Fuel Pump >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different variant/trim than selected.
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 Fuel Delivery System - "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 intercooler inlet hoses & pipe.

    (Refer to Engine Mechanical System - "INTERCOOLER ")

  4. Remove the pump foam.
  5. Disconnect the fuel pressure control valve connector (A) and the fuel feed tube quick-connector (B).
    G12609160Courtesy of HYUNDAI MOTOR AMERICA
    NOTE: Open the clamp cover (B) before disconnecting the quick-connector. (If the clip is applied)
    G12609161Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION: When removing the quick-connector 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. This may be the cause of the fire.
    G12609162Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the high pressure fuel pipe.
    1. Remove the high pressure flange nut in order of (A, B) with the special service tool [SST No.: 09314-3Q100].
      G12609163Courtesy of HYUNDAI MOTOR AMERICA
    2. Disconnect the engine coolant temperature sensor connector.
    3. Remove the function block installation bolt (C).
      G12609164Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the installation bolts (D), 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.
    G12609165Courtesy of HYUNDAI MOTOR AMERICA
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