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 CustomFACTORY OEM SERVICE PROCEDURE
Removal Procedure
- Remove the left inner fender brace. Refer to Brace Replacement - Front Fender Upper Diagonal in Body Front End.
- Remove the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement .
- Remove the air cleaner housing screws (2).
- Remove the air cleaner cover assembly (1).
- Without disconnecting the powertrain control module (PCM) connectors, remove the PCM and the harness from the air cleaner housing.
- Remove the air cleaner housing (1) by pulling the housing from the 2 rubber grommets (2) in the engine compartment.
- Inspect the air cleaner housing assembly for signs of damage and replace if necessary.
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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