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

Hyundai Elantra (CN7) 2021-2026 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Pump

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.4) and ground (No.5).

Pin No
Discription
1
Fuel sender ground
2
-
3
Fuel sender signal
4
Fuel pump (+)
5
Fuel pump (-)

[Fuel Sender]
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the fuel pump assembly.
3.
Using an ohmmeter, measure the resistance between terminals 1 and 3 of sender connector (A) at each float level.

Pin No
Discription
1
Fuel sender ground
2
-
3
Fuel sender signal
4
Fuel pump (+)
5
Fuel pump (-)

4.
Also check that the resistance changes smoothly when the float is moved from "E" to "F".
Position
Resistance (Ω)
Capacity (â„“)
E
297 - 305
2
1/2
77.4 - 81.4
25
F
14 - 16
46.1

Removal
1.
Turn the ignition switch OFF and disconnect the battery (-) terminal.
2.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
3.
Remove the rear seat.
(Refer to Body (Interior and Exterior) - "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.
Remove the locking ring (A) by using the special service tool [No. : 09310-B8100].

   
•
When removing the locking ring, be careful not to damage the fuel tank and fuel pump.
•
When removing the locking ring, press the upper area with hand and rotate the wrench counter clockwise.
8.
Remove the fuel pump from the fuel tank.

Installation
1.
Install in the reverse order of removal.
   
•
Be careful of fuel pump direction when installing. (Refer to the groove in the fuel tank)

    Repair procedures Removal1.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.

    Repair procedures Removal1.Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump")2.Disconnect the fuel pump motor connector (A) and fuel sender connector (B).

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Photo Sensor

    Description and operation Description 1.The photo sensor is located at the center of the defrost nozzles.2.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Warning Indicator

    Components and components location Components1. BSD Indicator2. Side repeater lamp Repair procedures Inspection1.Disconnect the negative (-) battery terminal.2.Remove the front door trim.(Refer to Body - "Front door trim")3.Disconnect the power door mirror connector from the harness4.

    Categories

     
    Copyright © 2026 www.helantra7.com - 0.0216