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 signal |
| 2 | - |
| 3 | Fuel sender ground |
| 4 | Fuel pump (+) |
| 5 | Fuel pump (-) |
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 signal |
| 2 | - |
| 3 | Fuel sender ground |
| 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 (ℓ) |
| E | 298 - 305 | 2.5 |
| 1/2 | 85.5 - 87.5 | 27.2 |
| F | 14 - 16 | 51.8 |
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 assembly.(Refer to Body (Interior and Exterior) - "Rear Seat Assembly")
4.Remove the fuel pump service cover (A) after loosening the screw.

5.Disconnect the fuel tank pressure sensor connector (A).
6.Disconnect the fuel pump connector (B).
7.Disconnect the fuel feed tube quick connector (C).

8.Remove the locking ring (A) by using the special service tool (B) [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.

1.Install in the reverse order of removal.
Fuel Tank
Fuel FilterHyundai Tucson (NX4) 2022-2026 Service Manual: Specifications
- Specifications
ItemsBulb TypeBulb Wattage (W)
FrontHead lamp(STD)Low9005HL+60
High9005HL+60
Head lamp(Option)LowLEDLED
HighLEDLED
Turn signal lamp (STD)PY21W21
Turn signal lamp (Option)LEDLED
Position lampLEDLED
Daytime Running Lamp (DRL)LEDLED
Door mirror turn signal lampLEDLED
RearH ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Coolant
- Refilling And Bleeding
• Be careful not to damage the parts located under the vehicle
(floor under cover, fuel filter, fuel tank and canister) when raising
the vehicle using the lift.(Refer to General Information - "Lift and
Support Points")
• ...