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 MANUALSCHEVROLET2008IMPALA V8-5.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTFUEL DELIVERY AND AIR INDUCTIONAIR FLOW METER/SENSORSERVICE AND REPAIR
2008 Chevrolet Impala V8-5.3L
Air Flow Meter/Sensor: Service and Repair
2008 Chevrolet Impala V8-5.3LSECTION Service and Repair
Mass Airflow Sensor/Intake Air Temperature Sensor Replacement
Removal Procedure
1. Remove the air intake duct.
2. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector (2).
3. Remove the MAF/IAT sensor bolts.
4. Remove the MAF/IAT sensor from the air cleaner housing.
5. Remove the MAF/IAT sensor seal, if necessary.
Installation Procedure
1. Install the MAF/IAT sensor seal, if necessary.
2. Install the MAF/IAT sensor to the air cleaner housing.
Notice: Refer to Fastener Notice.
3. Install the MAF/IAT sensor bolts.
Tighten the bolts to 10 N.m (89 lb in).
4. Connect the MAF/IAT sensor electrical connector (2).
5. Install the air intake duct.
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.