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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 463 (Engine Cooling System) >> Repair Instructions >> Fan Replacement (Mechanical) >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. 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: Installing Fan Clutch To Fan Blade
    GM721992Courtesy of GENERAL MOTORS COMPANY
  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 (17 lb ft).

    3. Fig 2: View Of Fan Assembly Removed
    GM367004Courtesy of GENERAL MOTORS COMPANY
  3. Install the fan assembly.
    4. Fig 3: View Of Special Tools J-48460 & J 41240-5A
    GM2087072Courtesy of GENERAL MOTORS COMPANY
  4. Install the J-48460  Fan Clutch Remover and Installer Kit (1) and J 41240-5A  Fan Clutch Wrench (2).

    Tighten 

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

  5. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (Mechanical) .
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