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.
2007 GMC Acadia FWD V6-3.6LFACTORY OEM SERVICE PROCEDURE
Air Flow Meter/Sensor: Service and Repair
MASS AIRFLOW SENSOR/INTAKE AIR TEMPERATURE SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the air cleaner outlet duct.
2. Disconnect the engine wiring harness electrical connector (4) from the mass air flow (MAF)/intake air temperature (IAT) sensor.
3. Remove the MAF/IAT sensor screws (1).
4. Remove the MAF/IAT sensor (2) from the air cleaner assembly.
5. Remove the MAF/IAT sensor seal (3).
INSTALLATION PROCEDURE
1. Install the MAF/IAT sensor seal (3) onto the MAF/IAT sensor.
2. Install the MAF/IAT sensor (2) to the air cleaner assembly.
3. NOTE: Refer to Fastener Notice.
Install the MAF/IAT sensor screws (1).
Tighten the screws to 4 N.m (35 lb in).
4. Connect the engine wiring harness electrical connector (4) to the MAF/IAT sensor.
5. Install the air cleaner outlet duct.
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.