Kia Picanto: Fuel Delivery System / Delivery Pipe

Kia Picanto JA 2017-2023 Service & Repair 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.	Release the residual pressure in fuel line. (Refer to Fuel Delivery System - “Release Residual Pressure in Fuel Line”)

2.	Turn the ignition switch OFF and disconnect the battery negative (-) terminal.

3.	Remove the intake manifold. (Refer to Engine Mechanical System - "Intake Manifold")

4.	Remove the injector & delivery pipe form (A).

Remove the flange nut (A) from the high pressure fuel pump by using the special service tool [SST No.: 09314-3Q100 or 09314-27130].

High pressure fuel pipe flange nut:

26.5 - 32.4 N·m (2.7 - 3.3 kgf·m, 19.5 - 23.9 lb·ft)

6.	Unfasten the mounting bolts (A) and then separate the low pressure fuel line.

7.	Unfasten the mounting bolts (B) and then remove the high pressure fuel pipe (C).

8.	Unfasten the mounting bolts (A) and then remove the delivery pipe & injector assembly (B) from the engine.

9.	Disconnect the injector & rail pressure sensor connector (A).

Installation

•	Do not reuse injector fixing clip.

•	Do not reuse the support disc.

•	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.

•	Do not reuse the high pressure fuel pipe.

1.	Install in the reverse order of removal.

Filler-Neck Assembly

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High Pressure Fuel Pump

Specifications Specification Items Specification High Pressure Fuel Line bar 20 - 200 MPa 2 - 20 kgf/cm² 20.4 - 203.9 psi ...

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