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 1508 (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 does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. 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. See Special Tools .
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.