GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 46406 Fan Clutch Remover and Installer

Removal Procedure


    Object Number: 1406734  Size: SH
  1. Remove the fan shroud. Refer to Fan Shroud Replacement .
  2. Install J 46406 to the fan clutch.

  3. Object Number: 367004  Size: SH
  4. Remove the fan hub nut from the water pump.

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

Installation Procedure

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.


    Object Number: 367006  Size: SH
  1. Install the fan clutch to the fan blade.
  2. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 367004  Size: SH
  5. Install the fan blade to the vehicle.

  6. Object Number: 1406734  Size: SH
  7. Install J 46406 to the fan clutch.
  8. Tighten
    Tighten the nut to 59 N·m (44 lb ft).

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