1.Remove the fuel pump.(Refer to Fuel Delivery System - "Fuel Pump")
2.Disconnect the fuel sender connector (A).

3.Release the fixing hook (A) and then remove fuel sender (B) in the arrow direction.

4.Disconnect the fuel pump motor connector (A).

5.Remove the fixing pin (A) and then disconnect the fuel feed tube (B).

6.Release the fixing hook (A) and then remove the head assembly (B).

7.Release the fixing hook (A) and then remove the reservoir-cup (B).

8.Disconnect the fuel pump motor connector (A).
9.Disconnect the ground cable (B).

10.Remove the fixing pin (A) and then disconnect the fuel pressure regulator (B).

11.Release the fixing hook and then remove the assist pump (A).

12.Separate the fuel pump hose (A) after releasing the clamp (B).

• Replace the clamp with a new one when reinstalling the clamp.
13.Remove the pump filter & fuel pump (A) after releasing the hooks.


1.Install in the reverse order of removal.
Fuel Filter
Fuel SenderHyundai Tucson (NX4) 2022-2026 Owner's Manual: Auto Hold. Warning messages
Auto Hold maintains the vehicle in a
standstill even though the brake pedal is
not depressed after the driver brings the
vehicle to a complete stop by depressing
the brake pedal.
Information
When the vehicle is restarted, the last
setting for Auto Hold is applied.
To apply:
Type A
...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting
Problem Symptoms Table
Use the table below to help you find the cause of the problem. The
numbers indicate the priority of the likely cause of the problem.Check
each part in order.If necessary, replace these parts.SymptomExpected causeCountermeasure
Lower pedal or sponge p ...