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 Chevrolet ClassicFACTORY OEM SERVICE PROCEDURE
Removal Procedure
- Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
- Remove the fuel pump and fuel level sensor electrical retaining clip at the top of the fuel sender assembly.
- Disconnect the fuel pump and fuel level sensor electrical connector.
- Depress the 3 tabs (1) securing upper fuel reservoir and slide upward until free of lower reservoir (2).
- Depress the tab on the fuel level sensor (1) while sliding up and out of the housing.
- Remove the retaining clip from the electrical connector.
- Remove the fuel level sensor wires from the connector, taking care to note the location of the wires.
Factory Service Tools
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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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