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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1516 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSFAN REPLACEMENT (DIESEL)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 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.
WARNING: 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 Clutch & Fan Blade
    GM721992Courtesy of GENERAL MOTORS CORP.
  1. Install the fan clutch onto the fan blade.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the fan clutch bolts

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

  3. Install the fan and engine cooling fan shroud assembly to the fan hub.
    4. Fig 2: View Of Fan Clutch Hub & Nut
    GM1674552Courtesy of GENERAL MOTORS CORP.
  4. Use a J 46406  on the fan clutch hub nut (2) to install a long pry bar to the fan clutch hub (1). See Special Tools .

    Tighten:  Tighten the nut clockwise to 56 N.m (41 lb ft).

    5. Fig 3: Identifying Fan Shroud Mounting Brackets & Bolts
    GM1674565Courtesy of GENERAL MOTORS CORP.
  5. Position the engine cooling fan shroud on the 3 mounting brackets (1).
  6. Install the bolts. Loosely tighten the top mounting bolt at the oil filler neck.
    7. Fig 4: View Of Cooling Fan Shroud
    GM1674558Courtesy 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.