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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Fuel Delivery System - 2.0L (Except HEV)) >> Fuel Line >> Repair Procedures >> Removal >> High Pressure Fuel Line

High Pressure Fuel Line

WARNING: This page is about a different variant/trim than selected.
  1. Release the residual pressure in fuel line.

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

  2. Turn the ignition switch OFF and then remove the battery negative (-) terminal.
  3. Remove the battery.

    (Refer to Engine Electrical System - "BATTERY ")

  4. Remove the air cleaner.

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

  5. Remove the Intercooler inlet pipe & hose assembly (A).
    G12922471Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the Low pressure fuel line (A) after loosening the mounting nuts.
    G12922472Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the vacuum bracket assembly (A) after loosening the mounting bolt and nut.
    G12922473Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the purge control solenoid valve.

    (Refer to Engine Control System - "PURGE CONTROL SOLENOID VALVE ")

  9. Remove the high pressure pipe flange nut (A) in order of with the special service tool (B) [SST No.: 09314-3Q100]

    High pressure fuel pipe flange nut: 

    26.5 - 32.4 N.m (2.7 - 3.3 kgf.m, 19.5 - 23.9 lb.ft)

    G12922474Courtesy of KIA MOTORS AMERICA, INC.
  10. Remove the high pressure pipe flange nut (A) in order of with the special service tool (B) [SST No.: 09314-3Q100].
    G12922475Courtesy of KIA MOTORS AMERICA, INC.
  11. Remove the high pressure fuel pipe function block mounting bolt (A).

    High pressure fuel pipe function block mounting bolt: 

    7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb.ft)

    G12922476Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the high pressure fuel pipe.