Hyundai Elantra: Fuel Delivery System / Fuel Pressure Regulator Repair procedures

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

Removal

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

2.	Disconnect the electric pump wiring connector (A) and the fuel sender connector (B).

3.	Remove the head assembly (A) after releasing the cushion fixing hooks.

4.	Disconnect the fuel tube quick-connectors (B).

5.	Remove the fuel sender (A) in the direction of an arrow.

6.	Remove the reservior-cup (B) after releasing the fixing hooks (A).

7.	Release the fixing hooks, and then remove the fuel pressure regulator (A).

Installation

1.	Installation is reverse of removal.

Fuel Sensor Repair procedures

Removal 1. Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump") 2. Disconnect the fuel sender connector (A). 3. Remove the fuel sender (A) in the direction of an arrow. I ...

Fuel Line Repair procedures

Removal 1. Turn the ignition switch OFF, and then remove battery (-) cable. 2. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Detecting sensor
The rear radars are located inside the rear bumper for detecting the side and rear areas. Always keep the rear bumper clean for proper operation of the system. NOTICE The system may not work properly when the bumper has been damaged, or if the rear bumper has been replaced or repaired. ...

Hyundai Elantra AD (2016-2020) Owners Manual: Limitations of the system
The driver must be cautious in the below situations because the system may not detect other vehicles or objects in certain circumstances: The vehicle is driven in inclement weather such as heavy rain or snow. The sensor is polluted with rain, snow, mud, etc. The rear bumper where the senso ...