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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 638 (ENGINE CONTROLS AND FUEL - 4.6L (LH2) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSMASS AIRFLOW SENSOR WITH INTAKE AIR TEMPERATURE SENSOR REPLACEMENTREMOVAL PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: MAF/IAT Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector.

Fig 2: Air Cleaner Outlet Duct

Courtesy of GENERAL MOTORS CORP.

Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .

Fig 3: MAF/IAT Sensor, Screws & Seal

Courtesy of GENERAL MOTORS CORP.

Remove the MAF/IAT sensor screws.

CAUTION:

Handle the MAF sensor carefully.
Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
Do not damage the screen located on the air inlet end of the MAF.
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 a soap based solution in order to aid in the installation.

Carefully remove the MAF/IAT sensor from the air cleaner housing cover.
Discard the MAF/IAT sensor gasket.

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.