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Home >> Hyundai >> 2014 >> Azera Base >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel Delivery System >> High Pressure Fuel Pump >> Repair Procedures >> Removal
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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 relay, 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 pump foam (A).
    Fig 1: Identifying Pump Foam
    G08809828Courtesy of HYUNDAI MOTOR AMERICA
  4. Disconnect the fuel pressure control valve connector (A) and the fuel feed tube quick-connector (B).
    Fig 2: Identifying Fuel Pressure Control Valve And Fuel Feed Tube Quick-Connector
    G08809829Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the intake manifold.

    (Refer to "INTAKE MANIFOLD ")

  6. Remove the injector foam (A).
    Fig 3: Identifying Injector Foam
    G08809830Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the high pressure fuel pipe.
    1. Remove the high pressure pipe flange nut in order of A, B with the special service tool [SST No.: 09314-3V100]
      Fig 4: Identifying Special Service Tool
      G08809831Courtesy of HYUNDAI MOTOR AMERICA
      Fig 5: Removing High Pressure Pipe Flange Nut Using Special Service Tool (1 Of 2)
      G08809832Courtesy of HYUNDAI MOTOR AMERICA
      Fig 6: Removing High Pressure Pipe Flange Nut Using Special Service Tool (2 Of 2)
      G08809833Courtesy of HYUNDAI MOTOR AMERICA
    2. Remove the high pressure pipe bracket bolt (A).
      Fig 7: Identifying High Pressure Pipe Bracket Bolt
      G08809834Courtesy of HYUNDAI MOTOR AMERICA
    3. Remove the function block installation bolt (A).
      Fig 8: Identifying Function Block Installation Bolt
      G08809835Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the installation bolts (A), and then remove the high pressure fuel pump (B) 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 9: Identifying High Pressure Fuel Pump And Installation Bolts
    G08809836Courtesy of HYUNDAI MOTOR AMERICA