Kia Niro: Fuel Delivery System / Fuel Line Repair procedures

Kia Niro 2017 (DE HEV) Service Manual / Engine Control/Fuel System / Fuel Delivery System / Fuel Line Repair procedures

Removal

Low Pressure Fuel Line [High Pressure Fuel Pump ↔ Fuel Tank]

1.	Release the residual pressure in fuel line. (Refer to the Fuel Delivery System - "Release Residual Pressure in Fuel Line")

2.	TSwitch "OFF" the ignition and disconnect the negative (-) battery terminal.

Disconnect the low pressrue fuel line quick-connector (A) from the high pressure fuel pump.

Open the clamp cover (B) before disconnecting the quick connector (if the clip is applied).

When removing the quick-connnector with the clip removing tool (A), be careful not to damage the plastic clip (B).

Damaged clip can result in fuel line leakage due to bad connection.

4.	Disconnect the vapor hose (A) from the PCSV.

5.	Lift the vehicle.

6.	Remove the under cover [LH] (A) after loosening the mounting bolt and nuts.

7.	Remove the fuel tank. (Refer to to Fuel Delivery System - "Fuel Tank")

8.	Remove the front sub frame. (Refer to Suspension System - "Sub Frame")

9.	Remove the fuel line (A) after loosening the mounting bolts and bracket.

High Pressure Fuel Line [High Pressure Fuel Pump ↔ Delivery Pipe]

1.	Release the residual pressure in fuel line. (Refer to the Fuel Delivery System - "Release Residual Pressure in Fuel Line")

2.	Switch "OFF" the ignition and disconnect the negative (-) terminal of the auxiliary 12V battery.

3.	Disconnect the PCV hose (A).

Remove the high pressure pipe flange nut (A) by using the special service tool (B) [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)

Remove the high pressure pipe flange nut (A) by using the special service tool (B) [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.	Remove the high pressure fuel pipe function block mounting bolt (A).

Remove the high pressure fuel pipe (B).

High pressure fuel pipe function block mounting bolt:

9.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Installation

•	Install the component to the specified torque.

•	Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.

1.	Install in the reverse order of removal.

Fuel Pressure Regulator Repair procedures

Removal 1. Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump") 2. Disconnect the fuel pump motor connector (A) and f ...

Filler-Neck Assembly Repair procedures

Removal 1. Open the fuel filler door. 2. Switch "OFF" the ignition and disconnect the negative (-) terminal of the auxiliary 12V bat ...

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