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 225 (ENGINE CONTROLS AND FUEL - 4.6L (LH2) - INTRODUCTION)REPAIR INSTRUCTIONSAIR CLEANER ASSEMBLY REPLACEMENTINSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: An improperly installed air cleaner or a distorted or missing intake air duct may cause a diagnostic trouble code (DTC) to set. Ensure that the air cleaner assembly and intake air duct is installed correctly and that there are no kinks or folds in the intake air duct. Debris in the air cleaner assembly or MAF sensor inlet screen, that may distort air flow can set a DTC.

Fig 1: View Of Air Cleaner Assembly

Courtesy of GENERAL MOTORS CORP.

Install the air cleaner assembly into the vehicle.

NOTE: Refer to Fastener Notice .

Install the air cleaner assembly screws.
Tighten: Tighten the air cleaner assembly screws to 10 N.m (89 lb in).

Fig 2: View Of Air Cleaner Duct

Courtesy of GENERAL MOTORS CORP.

Install the coolant hose into the retaining feature on the top of the air cleaner assembly.
Install the MAF/IAT sensor if previously removed. Refer to Mass Airflow Sensor/Intake Air Temperature Sensor Replacement .
Connect the MAF/IAT sensor electrical connector.
Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .

RENDER: 1.0x

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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.