Hyundai Sonata LF: Fuel Delivery System / Fuel Tank Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Tank Repair procedures

Removal
1.
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - "Release Residual Pressure in Fuel Line")
2.
Remove the rear seat cushion.
(Refer to Body - "Rear Seat Assembly")
3.
Remove the fuel pump service cover (A) in the trunk.

4.
Disconnect the fuel feed tube quick-connector (A).
5.
Disconnect the fuel pressure sensor connector (B).
6.
Disconnect the fuel pump control module (C).

7.
Lift the vehicle.
8.
Remove the main muffer.
(Refer to Engine Mechanical System - "Muffler")
9.
Support the fuel tank with a jack.
10.
Disconnect the fuel filler hose (A).
11.
Disconnect the vapor hose quick-connector (A).

12.
Disconnect the fuel tank pressure sensor extension connector (A).

13.
Remove the fuel tank bands (A) installation nuts.

14.
Remove the fuel tank after removing the fuel tank band (A) as below.

Installation
1.
Install in the reverse order of removal.
Fuel tank band installation nut:
39.2 ~ 54.0 N.m (4.0 ~ 5.5 kgf.m, 28.9 ~ 39.8 lb-ft)

    Repair procedures

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

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