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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (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 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
    GM721992Courtesy of GENERAL MOTORS CORP.
  1. Install the fan clutch onto the fan blade.
    2. NOTE: Refer to Fastener Notice .
  2. Install the fan clutch bolts

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

    3. Fig 2: View Of Fan Assembly Removed
    GM367004Courtesy of GENERAL MOTORS CORP.
  3. Install the fan assembly.
    4. Fig 3: Using Special Tools For Fan Clutch
    GM362333Courtesy of GENERAL MOTORS CORP.
  4. Install the J 46406  to the fan clutch. See Special Tools .

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

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