Hyundai Genesis: Fuel Delivery System / Delivery Pipe Repair procedures

Removal
   
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. Do not perform any repair work right after the engine stops.
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
   
When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may appear. Delete the code with the GDS after completion of “Release Residual Pressure in Fuel Line” work.
3.
Disconnect the injector connectors (A,B).

4.
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake and Exhaust System")
5.
Remove the high pressure fuel pipe.
(1)
Remove the bracket mounting bolt (A).

(2)
Remove the high pressure pipe flange nut (A,B) in the order of A and B with the special service tool [SST No.: 09314-3V100].
(3)
Remove the high pressure pipe bracket bolt (C).

6.
Remove the delivery pipe and injector assembly from engine after removing mounting bolt(A).

Installation
   
Do not use already used injector fixing clip again.
   
Install the component with the specified torques.
Note that internal damage may occur if the component drops. In this case, use it after inspecting.
   
Apply engine oil to the injector O-ring.
Do not use already used injector O-ring again.
   
Do not use already used bolt again.
   
When inserting the injector, be careful not to damage the injector tip.
1.
To install, reverse the removal procedure.

Delivery pipe installation bolt:
18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)
High pressure fuel pipe installation nut:
29.4 ~ 35.3 N.m (3.0 ~ 3.6 kgf.m, 21.7 ~ 26.0 lb-ft)

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High Pressure Fuel Pump Repair procedures
Removal     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 f ...

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