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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 52 (Fuel Delivery System - 2.4L (Except HEV)) >> Fuel Line >> Repair Procedures >> Removal >> High Pressure Fuel Line

High Pressure Fuel Line

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  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. Disconnect the ignition coil #4 connector.
  4. 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)

    G12932924Courtesy of KIA MOTORS AMERICA, INC.
    G12932925Courtesy of KIA MOTORS AMERICA, INC.
  5. 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)

G12932926Courtesy of KIA MOTORS AMERICA, INC.