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.
2004 Pontiac Sunfire StandardFACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Install the fuel level sensor to the fuel pump module assembly. Refer to Fuel Level Sensor Replacement.
- Install the new seal on the fuel tank (4).
- Align the fuel pipes parallel with the mark on the fuel tank.
- Slowly apply pressure to the top of the spring loaded sender until the sender aligns flush with the retainer on tank.IMPORTANT: Be sure that the retaining ring is fully seated within the tab slots.
- Install the retaining ring (1) using the J 39765 .
- Connect the wiring harness to the fuel pump module and the FTP sensor.
- Install the fuel tank. Refer to Fuel Tank Replacement .
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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