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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 862 (Engine Cooling System) >> Repair Instructions >> Fan Replacement (Mechanical) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. 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 .
  3. Install the fan clutch bolts

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

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

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

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