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Hyundai Equus Manuals

Hyundai Equus: Delivery Pipe Repair procedures - Fuel Delivery System - Engine Control/Fuel System - Hyundai Equus VI 2009-2025 Service ManualHyundai Equus: Delivery Pipe Repair procedures

Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 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 negative (-) cable.
2.
Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group).
   
When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of “Release Residual Pressure in Fuel Line” work.
3.
Disconnect the injector connector (A).

4.
Remove the intake manifold (Refer to "Intake And Exhaust System" in EM group).
5.
Remove the pump foam (A).
[Bank 1]

[Bank 2]

6.
Remove the high pressure fuel pipe (A).
[Bank 1]

[Bank 2]

7.
Remove the injector foam (A).

8.
Remove the rail pressure sensor connector (A).
9.
Remove the installation high pressure fuel pipe plange nut (B) from the high pressure fuel pipe with the special service tool [SST No.: 09314-3Q100 or 09314-27130].

10.
Remove the cross over fuel pipe (C).
11.
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.
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)
High pressure pipe bracket installation bolt:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.74 lb-ft)
Cross over fuel pipe installation nut:
26.5 ~ 32.4 N.m (2.7 ~ 3.3 kgf.m, 19.5 ~ 23.9 lb-ft)
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