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 MANUALSCHEVROLET2009SILVERADO 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSAIR FLOW METER/SENSORSERVICE AND REPAIR
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Air Flow Meter/Sensor: Service and Repair
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Service and Repair
Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
Removal Procedure
1. Disconnect the engine wiring harness electrical connector (1) from the mass air flow (MAF)/intake air temperature (IAT) sensor.
2. Remove the MAF/IAT sensor TORX(R) screws.
3. Remove the MAF/IAT sensor.
Installation Procedure
1. Install the MAF/IAT sensor.
Caution: Refer to Fastener Caution (Fastener Caution) .
2. Install the MAF/IAT sensor TORX(R) screws.
Tighten the screws to 8 Nm (70 lb in).
3. Connect the engine wiring harness electrical connector (1) to the MAF/IAT sensor.
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.