Hyundai Tucson: 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. 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 the Fuel Delivery System - "Release Residual Pressure in Fuel Line")
   
When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of “Release Residual Pressure in Fuel Line” work.
3.
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold")
4.
Remove the injector foam (A).

5.
Disconnect the injector connectors (A) and the rail pressure sensor connector (B).
6.
Remove the high pressure fuel pipe (C).
7.
Remove the installation bolt (D), and then remove the delivery pipe and injector assembly from the engine.

Installation
   
Do not use already used injector fixing clip again.
   
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. 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 insert the injector, be careful not to damage the injector tip.
   
When tightening the delivery pipe installation bolts, tighten them in accordance with the order ( > > > ) after tightening with hand-screwed torque.

1.
Install in the reverse order of removal.

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

Accelerator Pedal Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Disconnect the accelerator position sensor connector (A). 3. Remove the installation nuts (B), th ...

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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