High Pressure Fuel Line [High Pressure Fuel Pump ↔ Delivery Pipe]

Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Remove the air cleaner.
(Refer to Engine Mechanical System - "AIR CLEANER ")
Remove the battery.
(Refer to Body Electrical System - "BATTERY ")
Remove the installation high pressure fuel pipe flange nut (A) from the high pressure fuel pump with the special service tool [SST No. 09314 - 3Q100 or 09314 - 27130].
High pressure fuel pipe flange nut:

32.4 - 35.3 N.m (3.3 - 3.6 kgf.m, 23.9 - 26.0 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.
Remove the installation high pressure fuel pipe flange nut (A) from the delivery pipe with the special service tool [SST No. 09314 - 3Q100 or 09314 - 27130].
High pressure fuel pipe flange nut:

32.4 - 35.3 N.m (3.3 - 3.6 kgf.m, 23.9 - 26.0 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the engine coolant temperature sensor connector (A).

Courtesy of KIA MOTORS AMERICA, INC.
Remove the High pressure fuel pipe function block mounting bolt (A).
High pressure fuel pipe function block mounting bolt:

9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

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

NOTE: