LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2012 >> Equus Signature >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Delivery System >> Delivery Pipe >> Repair procedures >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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. Disconnect the injector connector (A).
    Fig 1: Identifying Injector Connector
    G08830326Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove the intake manifold (Refer to INTAKE AND EXHAUST SYSTEM - 5.0L ).
  5. Remove the pump foam (A).

    [Bank 1] 

    Fig 2: Identifying Pump Foam (Bank 1)
    G08830327Courtesy of HYUNDAI MOTOR AMERICA

    [Bank 2] 

    Fig 3: Identifying Pump Foam (Bank 2)
    G08830328Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the high pressure fuel pipe (A).

    [Bank 1] 

    Fig 4: Identifying High Pressure Fuel Pipe (Bank 1)
    G08830329Courtesy of HYUNDAI MOTOR AMERICA

    [Bank 2] 

    Fig 5: Identifying High Pressure Fuel Pipe (Bank 2)
    G08830330Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the injector foam (A).
    Fig 6: Identifying Injector Foam
    G08830331Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the rail pressure sensor connector (A).
  9. Remove the installation high pressure fuel pipe flange nut (B) from the high pressure fuel pipe with the special service tool [SST No.: 09314-3Q100 or 09314-27130].
    Fig 7: Identifying Special Service Tool
    G08830332Courtesy of HYUNDAI MOTOR AMERICA
  10. Remove the cross over fuel pipe (C).
  11. Remove the installation bolt (D), and then remove the delivery pipe and injector assembly from the engine.
    Fig 8: Identifying Delivery Pipe, Cross Over Fuel Pipe And Installation Bolt
    G08830333Courtesy of HYUNDAI MOTOR AMERICA
    Fig 9: Identifying Delivery Pipe, Injector And Rail Pressure Sensor
    G08830334Courtesy of HYUNDAI MOTOR AMERICA