GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 46406 Fan Clutch Remover and Installer

Removal Procedure


    Object Number: 362333  Size: SH
  1. Remove the fan shroud. Refer to Fan Shroud Replacement .
  2. Install theJ 46406 to the fan clutch.

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

  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: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  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: 362333  Size: SH
  7. Install the J 46406 to the fan clutch.
  8. Tighten
    Tighten the nut clockwise to 59 N·m (44 lb ft).

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