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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 620 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSRADIATOR HOSE REPLACEMENT - INLET (4.3L ENGINE)INSTALLATION PROCEDURE

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Install the radiator inlet hose to the thermostat housing.

Fig 1: Install Radiator Inlet Hose
Courtesy of GENERAL MOTORS CORP.
Install the radiator inlet hose to the radiator.
Install the radiator inlet hose to the support.

Fig 2: Install Radiator Inlet Hose
Courtesy of GENERAL MOTORS CORP.
Align the hinge clip with the lip on the throttle body.
Install the air inlet tube and resonator to the throttle body by pivoting the air inlet tube and resonator downward until the mounting stud is through the hole in the air inlet tube.

Fig 3: Install Air Inlet Tube & Resonator
Courtesy of GENERAL MOTORS CORP.
Install the resonator retaining wing nut.
Connect the PCV hose to the air cleaner outlet duct.

Fig 4: Install Resonator Retaining Wing Nut
Courtesy of GENERAL MOTORS CORP.
Connect the MAF/IAT sensor assembly harness connector.
Fill the cooling system. Refer to Draining and Filling Cooling System .

Fig 5: Connect MAF/IAT Sensor Assembly Harness Connector
Courtesy of GENERAL MOTORS CORP.

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.