Hyundai Santa Fe: Fuel Delivery System / Fuel Pump. Repair procedures

Hyundai Santa Fe (TM) 2019-2025 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.

Check motor operation by fuel pump connector (A) connecting power (No.2) and ground (No.4)

Pin No	Discription
1	Fuel sender signal
2	-
3	Fuel sender ground
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.

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 signal
2	-
3	Fuel sender ground
4	Fuel pump (+)
5	Fuel pump (-)

Also check that the resistance changes smoothly when the float is moved from "E" to "F".

Position	Resistance (Ω)	Capacity (ℓ)
E	297 - 305	3
1/2	85.5 - 87.5	32.7
F	14 - 16	65

Removal

1.	Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")

2.	Turn the ignition switch OFF and disconnect the battery (-) terminal.

3.	Remove the rear seat (LH). (Refer to Body - "Rear Seat Assembly")

4.	Remove the rear duct (A).

Remove the fuel pump service cover (A).

•	When removing the fuel pump service cover, remove the 4 clips by rotating them clockwise as shown in the below illustration.

6.	Disconnect the fuel pump connector (A).

7.	Disconnect the fuel feed tube quick connector (B).

Remove the locking ring (A) by using the special service tool [No.: 09310-B8100].

•	When removing the plate cover, be careful not to damage the fuel tank and fuel pump.

•	When removing the plate cover, press the upper area with hand and rotate the wrench counter clockwise.

Installation

1.	Install in the reverse order of removal.

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