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.
2003 Chevrolet SSR V8-5.3L VIN PFACTORY OEM SERVICE PROCEDURE
Air Flow Meter/Sensor: Service and Repair
MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Open the hood.
2. Disconnect the electrical connection from mass air flow (MAF)/intake air temperature (IAT) sensor.
3. Remove air cleaner outlet duct.
4. Loosen clamp (2) retaining MAF/IAT to upper air box.
5. Remove MAF/IAT (1) sensor from vehicle.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the MAF/IAT (1) sensor to upper air box.
Tighten
Tighten clamp (2) to 4 N.m (35 lb in).
2. Install the air cleaner outlet duct.
3. Connect the electrical connector to MAF/IAT sensor.
4. Close the hood.
REMOVAL PROCEDURE
1. Open the hood.
2. Disconnect the electrical connection from mass air flow (MAF)/intake air temperature (IAT) sensor.
3. Remove air cleaner outlet duct.
4. Loosen clamp (2) retaining MAF/IAT to upper air box.
5. Remove MAF/IAT (1) sensor from vehicle.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the MAF/IAT (1) sensor to upper air box.
Tighten
Tighten clamp (2) to 4 N.m (35 lb in).
2. Install the air cleaner outlet duct.
3. Connect the electrical connector to MAF/IAT sensor.
4. Close the hood.
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.
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