GM Service Manual Online
For 1990-2009 cars only

Fan Replacement Mechanical

Special Tools

    • J 41240-5A Fan Clutch Wrench.
    • J-48460 Fan Clutch Remover and Installer Kit.

Removal Procedure


    Object Number: 2087072  Size: SH
  1. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement.
  2. Install the J-48460 Fan Clutch Remover and Installer Kit (1).
  3. Install the J 41240-5A Fan Clutch Wrench (2).

  4. Object Number: 367004  Size: SH
  5. Remove the fan hub nut from the water pump in a counterclockwise rotation.

  6. Object Number: 367006  Size: SH
  7. Remove the fan clutch bolts from the rear of the fan blade.
  8. Separate the fan clutch from the fan blade.

Installation Procedure

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.


    Object Number: 721992  Size: SH
  1. Install the fan clutch onto the fan blade.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the fan clutch bolts
  4. Tighten
    Tighten the bolts to 23 N·m (17 lb ft).


    Object Number: 367004  Size: SH
  5. Install the fan assembly.

  6. Object Number: 2087072  Size: SH
  7. Install the J-48460 Fan Clutch Remover and Installer Kit (1) and J 41240-5A Fan Clutch wrench (2).
  8. Tighten
    Tighten the nut clockwise to 56 N·m (41 lb ft).

  9. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement.