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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1539 (Engine Cooling System - Non-Hybrid) >> Repair Instructions >> Fan Replacement (Mechanical) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. 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: View Of Fan Blade & Fan Clutch
    GM721992Courtesy of GENERAL MOTORS CORP.
  1. Install the fan clutch onto the fan blade.
  2. CAUTION: Refer to Fastener Caution .
  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: View Of Special Tools J-48460 & J 41240-5A
    GM2087072Courtesy of GENERAL MOTORS CORP.
  7. Install the J-48460  Fan Clutch Remover and Installer Kit (1) and J 41240-5A  Fan Clutch wrench (2). 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) .