Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2024 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE
Disassembly and Assembly
Disassembly
NOTE:
Before disassembly, note the proper placement of the wires to the correct terminals and correct wire routing to the terminals.
- Disconnect fuel level sensor unit and fuel tank temperature sensor harness connectors (A).
- Remove wires from wire clips (B).CAUTION:
Be careful not to damage wires when removing them from wire clips.
- Release clips (A), then remove fuel temperature sensor (1) from fuel filter and fuel pump assembly.
- Release tab (A) using suitable tool, then slide fuel level sensor unit (1) in direction shown in the illustration.NOTE:
Fuel level sensor unit shown in the illustration removed from fuel filter and fuel pump assembly for clarity.
Assembly
Assembly is in the reverse order of disassembly.
NOTE:

- Ensure proper placement of the wires to the correct terminals and correct wire routing to the terminals.
- After connecting terminals, ensure they are securely locked and cannot be pulled out.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
