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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Fuel Delivery System - 3.3L) >> 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. Do not perform any repair work right after the engine stops.
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Release the residual pressure in fuel line.

    (. Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")

    CAUTION:
    • When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may turn up. Delete the code with the GDS after completion of "Release Residual Pressure in Fuel Line" work.
  3. Disconnect the fuel feed tube quick-connector (A) using a clip tool.
  4. Disconnect the fuel pressure control valve-connector (B).
    G14233288Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Open the clamp cover (B) before disconnecting the quick connector. (If the clip is applied)
    G14233289Courtesy 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 occur due to a poor connection.
    G14233290Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the intake manifold.

    (Refer to Engine Mechanical System - "INTAKE MANIFOLD ")

  6. Remove the high pressure fuel pipe.
    1. Remove the bracket mounting bolt (A).
      G14233291Courtesy of HYUNDAI MOTOR AMERICA
    2. Remove the high pressure pipe flange nut (A, B) in the order of A and B with the special service tool [SST No.:09314 - 3V100 or 09314-27130].
    3. Remove the high pressure pipe bracket bolt (C).
    G14233292Courtesy of HYUNDAI MOTOR AMERICA
    G14233293Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the installation bolts (A) and then remove the high pressure fuel pump from the cylinder head assembly.
    CAUTION:
    • Unscrew the two bolts alternately by 0.5 turn. 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.
G14233294Courtesy of HYUNDAI MOTOR AMERICA