Kia Sorento: Fuel Line Removal and Installation

Kia Sorento (MQ4, 2021-2026) Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Line Removal and Installation

Removal

Low Pressure Fuel Line [Low Pressure Delivery Pipe ↔ Fuel Tank]

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

2.	Disconnect the battery negative ( - ) terminal.

3.	Remove the battery. (Refer to Engine Electrical System - "Battery")

4.	Remove the air cleaner. (Refer to Engine Mechanical System - "Air Cleaner")

5.	Separate the vapor quick-connector (A).

Separate the fuel injection line quick-connector (A).

Engine Control / Fuel System — Fuel Delivery System / Fuel Line / Removal and Installation / Removal illustration

•	Open the clamp cover (A) before disconnect the quick connector. (If the clip is applied)

•	When using the clip removing tool (A), be careful not to damage the plastic clip (B).

•	If the clip is damaged, it can cause a fuel leak due to bad connection and could result in a fire.

7.	Remove the left under cover (A) after removing the bolts.

8.	Remove the vapor tube quick-connector (A) from the canister.

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

10.	Remove the fuel line from the vehicle after removing the mounting bracket.

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

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

2.	Disconnect the battery negative ( - ) terminal.

3.	Remove the air cleaner. (Refer to Engine Mechanical System - "Air Cleaner")

Remove the pipe flange nut (A).

Tightening torque :

32.4 - 35.3 N·m (3.3 - 3.6 kgf·m, 23.9 - 26.0 lb·ft)

Engine Control / Fuel System — Fuel Delivery System / Fuel Line / Removal and Installation / Removal illustration

Use the torque wrench with spanner head when tightening the flange nut.

Remove the pipe flange nut (A).

Tightening torque :

32.4 - 35.3 N·m (3.3 - 3.6 kgf·m, 23.9 - 26.0 lb·ft)

Engine Control / Fuel System — Fuel Delivery System / Fuel Line / Removal and Installation / Removal illustration

Use the torque wrench with spanner head when tightening the flange nut.

Remove the high pressure fuel pipe (C) after removing the mounting bolts (A,B).

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Engine Control / Fuel System — Fuel Delivery System / Fuel Line / Removal and Installation / Removal illustration

Installation

Install in the reverse order of removal.

•	Install the component to the specified torque.

•	Do not reuse the high pressure fuel pipe.

•	Be careful not to transform the shape of the high pressure fuel pipe.

•	Torque wrench should not be tilt when you tighten the nut.

•	Inspect fuel leakage after high pressure fuel pipe assembly.

2.	Inspect the leakage the fuel after installation.

Fuel Filter Removal and Installation

Removal 1. Remove the fuel pump module. (Refer to Fuel Delivery System - "Fuel Pump Module") 2...

Fuel Pressure Regulator Components and Components Location

Components 1. Clip2. Stopper3. Plate Assembly4. O-Ring 5. Reservoir Cup6. Clip7. Fuel Pressure Regulator...

Kia Sorento: Fuel Line Removal and Installation

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