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 MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 640 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSRADIATOR REPLACEMENTINSTALLATION PROCEDURE

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F

Installation Procedure

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Install the radiator to the lower mounts.
Lubricate the O-ring seal of the coolant level module with coolant.
Place the snap clip leg in place.
Install the coolant level module.
Connect the electrical connector to the coolant level module.

Fig 1: Radiator
Courtesy of GENERAL MOTORS CORP.
Install the transaxle oil cooler pipes.
IMPORTANT: Install new retaining rings into the quick connect fittings.
Ensure the following procedures are performed when installing the new retaining ring onto the fitting.

Fig 2: Transaxle Oil Cooler Pipes
Courtesy of GENERAL MOTORS CORP.
Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting.

Fig 3: Transaxle Oil Cooler Pipe Fitting Retaining Ring
Courtesy of GENERAL MOTORS CORP.
Rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting.

Fig 4: Positioning Retaining Ring
Courtesy of GENERAL MOTORS CORP.

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.