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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Engine Cooling) >> Repair Instructions >> Fan Clutch Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. 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 Clutch & Fan Blade
    GM367006Courtesy of GENERAL MOTORS CORP.
  1. Install the fan clutch to the fan blade.
    2. NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  2. Install the bolts to the fan clutch.

    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 blade to the vehicle.
    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 59 N.m (44 lb ft).

  5. Install the fan shroud. Refer to Fan Shroud Replacement .
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