Hyundai Elantra: Fuel Delivery System / Fuel Tank Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Engine Control/Fuel System / Fuel Delivery System / Fuel Tank Repair procedures

Removal

1.	Release the residual pressure in fuel line. (Refer to 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).

4.	Disconnect the fuel pump connector (A) and the fuel tank pressure sensor connector (B).

5.	Disconnect the fuel feed tube quick-connector (C).

6.	Disconnect the vapor tube quick-connector (D).

7.	Remove the rear - LH wheel & tire.

8.	Lift the vehicle and support the fuel tank with a jack.

9.	Disconnect the fuel filler hose (A).

10.	Disconnect the ventilation hose (B).

11.	Remove the under cover (A).

12.	Remove the brake line (A) bracket mounting bolts.

13.

Remove the fuel tank from the vehicle after removing the fuel tank band (A).

•	When removing the fuel tank, the fuel tank must be tilted because of interfering with coupling.

Installation

Installation is reverse 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 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - “Release Residual Pressure in Fuel Line”) • When removing the f ...

Fuel Pump Repair procedures

Removal 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") 2. Remove the rear seat. (Refer to Body - "Rear Seat Assem ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Output Speed Sensor Repair procedures
Inspection 1. Using the GDS, check the input/output speed sensor waveforms. A. Turn OFF the ignition switch. B. Connect the GDS to the Data Link Connector(DLC) on the lower crash pad. C. Ignition "ON" & Engine "ON". D. Check the input/output speed sensor waveforms at high spe ...

Hyundai Elantra AD (2016-2020) Owners Manual: Front Seats
WARNING Take the following precautions when adjusting your seat: NEVER attempt to adjust the seat while the vehicle is moving. The seat could respond with unexpected movement and may cause loss of vehicle control resulting in an accident. Do not place anything under the front seats. Loo ...