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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1598 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSFAN REPLACEMENT (DIESEL)REMOVAL PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Removal Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal Procedure
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (LMM Diesel)  or Engine Coolant Fan Upper Shroud Replacement (Mechanical) .
    2. Fig 1: Identifying Fan Shroud Mounting Brackets & Bolts
    GM1674565Courtesy of GENERAL MOTORS CORP.
  2. Remove the 3 engine cooling fan shroud bolts (1).
    3. Fig 2: View Of Cooling Fan Shroud
    GM1674593Courtesy of GENERAL MOTORS CORP.
  3. Position the engine cooling fan shroud (1) forward to the radiator.
    4. Fig 3: View Of Fan Clutch Hub & Nut
    GM1674552Courtesy of GENERAL MOTORS CORP.
  4. Install a long pin bar into the fan hub (1).
  5. Use a J 46406  to remove the fan hub nut (2) from the hub in a counterclockwise rotation. See Special Tools .
  6. Remove the fan and the engine cooling fan shroud as an assembly.
    7. Fig 4: View Of Fan Clutch & Fan Blade
    GM367006Courtesy of GENERAL MOTORS CORP.
  7. Separate fan and shroud.
  8. Remove the fan clutch bolts from the rear of the fan blade.
  9. Separate the fan clutch from the fan blade.
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.