Hyundai Sonata: 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

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"). ...

Fuel Pump Repair procedures

Inspection [Fuel sender] 1. Turn the ignition switch OFF, and then remove battery (-) cable. 2. Remove the fuel pump assembly. 3. Using an ohmmeter, measure the resistance between termi ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components [Manual Seat Type] 1. Front seat headrest2. Front seat headrest guide3. Front seat back board4. Front seat back frame assembly5. Front seat back pad6. Front seat back heater7. Front seat cushion frame assembly8. Front seat shield cushion pad9. Front seat cushion heater mat10. Heig ...

Hyundai Sonata LF 2014-2019 Service Manual: Rear Seat Folding Lever Repair procedures
Replacement 1. Fold the rear seat back assembly (A) by pulling the folding lever in the direction of the arrow. 2. After loosening the mounting bolts, then remove the rear seat folding lever (A). 3. Install in the reverse order of removal. ...