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.
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HOMESERVICE MANUALSCHEVROLET2007SILVERADO CLASSIC 1500 4WD V6-4.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSAIR FLOW METER/SENSORSERVICE AND REPAIR
2007 Chevrolet Silverado Classic 1500 4WD V6-4.3L
Air Flow Meter/Sensor: Service and Repair
2007 Chevrolet Silverado Classic 1500 4WD V6-4.3LSECTION Service and Repair
MASS AIRFLOW SENSOR/INTAKE AIR TEMPERATURE SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector (4).
2. Loosen the air cleaner outlet duct clamp at the MAF/IAT sensor.
3. Remove the air cleaner outlet duct from the MAF/IAT sensor.
NOTE: Handle the MAF/IAT sensor carefully. Do not drop the MAF/IAT sensor. Do not damage the screen located at the air inlet end of the MAF/IAT. Do not touch the sensing elements. Do not allow solvents and lubricants to come in contact with the sensing elements. Use a small amount of SPO P/N 12345884 lubricant or the soap based equivalent in order to aid in the installation.
4. Loosen the MAF/IAT sensor clamp at the air cleaner box.
5. Remove the MAF/IAT sensor.
INSTALLATION PROCEDURE
IMPORTANT: Ensure to point the arrow on the MAF/IAT sensor away from the air cleaner box.
1. Install the MAF/IAT sensor.
NOTE: Refer to Fastener Notice.
2. Tighten the MAF/IAT sensor clamp at the air cleaner box.
Tighten the clamp to 4 N.m (35 lb in).
3. Install the air cleaner outlet duct to the MAF/IAT sensor.
4. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.
Tighten the clamp to 4 N.m (35 lb in).
5. Connect the MAF/IAT sensor electrical connector (4).
RENDER: 1.0x
NO RELATED
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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.