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Home >> Hyundai >> 2021 >> Sonata N Line >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.5T (Except HEV) >> Injector >> Repair Procedures >> Replacement
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Repair Procedures: Replacement

NOTE:
  • Be sure to replace the combustion seal installed on the GDI injector following the below procedure to prevent possible leakage.
  1. Remove the combustion seal (A).
    NOTE:
    • When removing the injector, be careful not to damage the injector.
    • When removing the Combustion seal, use a nipper to cut it.
    G14632955Courtesy of HYUNDAI MOTOR AMERICA
  2. Before the assembly of the combustion seal the groove must be cleaned using a clean cloth.
  3. Reinstall the combustion seal using the SST (09353-L1100).
    1. Place the combustion seal installing guide (A) on the tip of the injector not to damage the injector tip (B).
      G14632956Courtesy of HYUNDAI MOTOR AMERICA
    2. Install the combustion seal (A) to the seal mounting guide.
      G14632957Courtesy of HYUNDAI MOTOR AMERICA
    3. Input the seal to A direction of the installer, and push it to B direction until it reaches the combustion seal installation area.
      NOTE:
      • The complete assembly must not take longer than 2 to 3 seconds.
      G14632958Courtesy of HYUNDAI MOTOR AMERICA
      G14632959Courtesy of HYUNDAI MOTOR AMERICA
    4. Install the compressor (A) and disconnect it after rotating 3-4 times to left and right direction.
      G14632960Courtesy of HYUNDAI MOTOR AMERICA
    5. Check the combustion seal (A) installation.
G14632961Courtesy of HYUNDAI MOTOR AMERICA