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 G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1106 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSFAN REPLACEMENT (MECHANICAL)INSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Installation Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Do not use or attempt to repair a damaged cooling fan assembly. Replace damaged fans with new assemblies. An unbalanced cooling fan could fly apart causing personal injury and property damage.

Fig 1: View Of Fan Blade & Fan Clutch

Courtesy of GENERAL MOTORS CORP.

Install the fan clutch onto the fan blade.

NOTE: Refer to Fastener Notice .

Install the fan clutch bolts
Tighten: Tighten the bolts to 23 N.m (17 lb ft).

Fig 2: View Of Fan Assembly Removed

Courtesy of GENERAL MOTORS CORP.

Install the fan assembly.

Fig 3: Using Special Tools For Fan Clutch

Courtesy of GENERAL MOTORS CORP.

Install the J 46406 to the fan clutch.
Tighten: Tighten the nut clockwise to 56 N.m (41 lb ft).
Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (Mechanical) .

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.