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Home >> Hyundai >> 2025 >> Tucson XRT, Eng CD G4KN, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Except HEV) >> Injector >> Repair Procedures >> Removal >> [GDI Injector]

[GDI Injector]

  1. Release the residual pressure in fuel line.

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

  2. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  3. Remove the air cleaner assembly.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  4. Remove the intake manifold.

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

  5. Remove the injector foam (A).
    G16982105Courtesy of HYUNDAI MOTOR AMERICA
  6. Loosen the high pressure fuel pipe bracket mounting bolt (A) and then loosen the flange nut (B, C).

    Tightening Torque 

    1. 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
    2. 26.5 - 32.4 N.m (2.7 - 3.3 kgf.m, 19.5 - 23.9 lb-ft)
    G16982106Courtesy of HYUNDAI MOTOR AMERICA
    G16982107Courtesy of HYUNDAI MOTOR AMERICA
  7. Loosen the mountin bolt (A) and then remove the delivery pipe & injector assembly (B).

    Tightening Torque: 

    18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.3 lb-ft)

    G16982108Courtesy of HYUNDAI MOTOR AMERICA
  8. Disconnect the injector & rail pressure sensor connector (A).
    G16982109Courtesy of HYUNDAI MOTOR AMERICA
  9. Remove the injector from the delivery pipe (A) after releasing the fixing clip both side as shown below.