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 Allure (CANADA) V6-3.6LFACTORY OEM SERVICE PROCEDURE
Air Flow Meter/Sensor: Service and Repair
MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Turn the ignition OFF.
2. Remove the mass air flow (MAF) electrical connector.
3. Remove the air cleaner intake duct.
4. Remove the MAF sensor fasteners.
5. Remove the MAF sensor and the MAF sensor seal.
INSTALLATION PROCEDURE
1. Install the new MAF sensor seal and the MAF sensor.
2. Install the MAF sensor screws.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the MAF sensor screws to 4 N.m (35 lb in).
3. Install the air cleaner intake duct.
4. Install the MAF electrical connector.
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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