Kia Cadenza YG: Fuel Delivery System / Delivery Pipe Repair procedures

Kia Cadenza YG 2016-2021 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 the Fuel Delivery System - Repair Procedures - "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.
Disconnect the injectors & rail pressure sensor connector (A).

4.
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold")
5.
Remove the injector foam (A).

6.
Remove the high pressure fuel pipe.
(1)
Loosen the flange nut in the order of A,B with SST(09314-3V100).

(2)
Remove the high pressure pipe bracket bolt (A).

(3)
Remove the function block installation bolt (A).

7.
Remove the installation bolt (A), 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 fastening the fuel delivery pipe mounting bolts (A), fully hand-tighten first, and then tighten in the proper sequence ( → → ) in several cycles up to the specified 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:
29.4 ~ 35.3 N.m (3.0 ~ 3.6 kgf.m, 21.7 ~ 26.0 lb-ft)
High pressure fuel pipe function block installation bolt:
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)
High pressure fuel pipe bracket installation bolt:
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

    Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Disconnect the accelerator position sensor connector (A).

    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.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Blind Spot Detection Variant Coding Description and Operation

    Description The used radar frequency of BSD is two, "North America region" and "Except North America region". If it replaces BSD unit, BSD unit has to perform the procedure of variant coding. BSD Variant Coding 1. Select the "BSD Variant Coding" procedure in BSD system.

    Kia Cadenza YG 2016-2021 Service Manual: Blind Spot Detection Radar Calibration Description and Operation

    Description To sense the cars exactly in the next lane with the radar, the direction of the sensor and the direction of the vehicle have to align. This is BSD unit alignment. If this alignment is not performed as below illustration, the degradation of detection performance and the cause of false alarms.

    Categories

     
    Copyright © 2026 www.kcadenzavg.com - 0.0191