Hyundai Elantra (CN7): Fuel Delivery System / Fuel Tank

Hyundai Elantra (CN7) 2021-2026 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.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
3.
Remove the rear seat.
(Refer to Body - "Rear Seat Assembly")
4.
Remove the fuel pump service cover (A).

5.
Disconnect the fuel pump connector (A).
6.
Disconnect the fuel feed tube quick-connector (B).

7.
Disconnect the leveling hose (A).
8.
Disconnect the fuel filler hose (B).
Tightening torque :
4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)

9.
Disconnect the vapor hose quick-connector (A)

10.
Remove the floor under cover (A).
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 Ib-ft)

11.
Separate the brake line after removing the bracket mounting bolt (A).
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

12.
Remove the fuel tank band (A).
Tightening torque :
39.2 - 54.0 N.m (4.0 - 5.5 kgf.m, 28.9 - 39.8 lb-ft)

   
•
Support the jack to avoid damaging the fuel tank.

13.
Remove the fuel tank (A).

Installation
1.
Install in the reverse order of removal.

    Release Residual Pressure in Fuel Line    â€¢ There may be some residual pressure even after "Release Residual Pressure in Fuel Line" work, so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.

    Repair procedures Inspection[Fuel Pump]1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the fuel pump assembly.3.Check motor operation by fuel pump connector (A) connecting power (No.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: A/C Pressure Transducer

    Description and operation DescriptionThe A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Mode Control Actuator

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