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.
2005 Buick Century LimitedFACTORY OEM SERVICE PROCEDURE
Removal Procedure
IMPORTANT:
Always maintain cleanliness when servicing fuel system components.
- Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
- Remove the retaining clip from the fuel level sensor harness connector.
- Disconnect the fuel level sensor harness connector from under the fuel sender cover.
- Disconnect the fuel pump harness connector.
- Remove the fuel level sensor (5) from the fuel sender assembly.
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.
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