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 MANUALSCHEVROLET2013EXPRESS 1500 RWD V6-4.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSENSORS AND SWITCHES - COMPUTERS AND CONTROL SYSTEMSAIR FLOW METER/SENSORSERVICE AND REPAIR
2013 Chevrolet Express 1500 RWD V6-4.3L
Air Flow Meter/Sensor: Service and Repair
2013 Chevrolet Express 1500 RWD V6-4.3LSECTION Service and Repair
Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
Removal Procedure
1. Loosen the air cleaner outlet duct clamp (1) at the mass airflow (MAF)/Intake air temperature (IAT) sensor.
2. Remove the air cleaner outlet duct (2) from the MAF/IAT sensor and position out of the way.
3. Disconnect the engine wiring harness electrical connector (6) from the MAF/IAT sensor (5).
4. Remove the MAF/IAT sensor bolts (2).
5. Remove the MAF/IAT sensor (1) from the air cleaner housing.
Installation Procedure
1. Install the MAF/IAT sensor (1) to the air cleaner housing.
Caution:
Refer to Fastener Caution Fastener Caution.
2. Install the MAF/IAT sensor bolts (2) and tighten to 9 Nm (80 lb in).
3. Connect the engine wiring harness electrical connector (6) to the MAF/IAT sensor (5).
4. Position and install the air cleaner outlet duct (2) to he MAF/IAT sensor.
5. Tighten the air cleaner outlet duct clamp (1) at the MAF/IAT sensor and tighten to 5 Nm (44 lb in).
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.