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Home >> Chevrolet >> 2005 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Engine Cooling System) >> Repair Instructions >> Fan Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2005 GMC Sierra and 2005 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: Installing Fan Clutch To Fan Blade
    GM721992Courtesy of GENERAL MOTORS CORP.
  1. Install the fan clutch onto the fan blade.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  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 Fan Shroud Replacement - Upper (w/o RPO M74)  or Fan Shroud Replacement - Upper (w/RPO M74)  or Fan Shroud Replacement - Upper (w/RPO HP2) .
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