Hyundai i-30: Fuel Delivery System / Delivery Pipe

Hyundai i30 (PD) 2018-2025 Service Manual / Engine Control / Fuel System / 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 (-) terminal.
2.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
3.
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold")
4.
Remove the injector & delivery pipe form (A).

5.
Remove the high pressure fuel pipe (A).
Tightening Torque :
Mounting bolt : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
Flange nut : 29.4 - 35.3 N.m (3.0 - 3.6 kgf.m, 21.7 - 26.0 lb-ft)

6.
Remove the alternator.
(Refer to Enigine Electrical System - "Alternator")
7.
Remove the delivery pipe & injector assembly (A).
Tightening Torque :
19.6 - 24.5 N.m (2.0 - 2.5 kgf.m, 14.5 - 18.1 lb-ft)

8.
Disconnect the wiring connector and then separate the injector (A) from the delivery pipe (B).

Installation
  
Do not reuse injector fixing clip.
Do not reuse the injector rubber washer.
Do not reuse the combustion seal.
Install the component to 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 reuse injector O-ring.
Do not reuse bolt.
When inserting the injector, be careful not to damage the injector tip.
1.
Install in the reverse order of removal.

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