GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 46406 Fan Clutch Wrench

Removal Procedure

  1. Remove the upper fan shroud. Refer to Fan Shroud Replacement .

  2. Object Number: 42910  Size: SH
  3. Remove the fan clutch from the water pump in a counterclockwise direction using the J 46406 .
  4. Remove the fan clutch assembly.

  5. Object Number: 48321  Size: SH
  6. Remove the fan blade mounting bolts.
  7. Remove the fan blade from the fan clutch.

Installation Procedure

  1. Install the fan blade to the fan clutch.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 48321  Size: SH
  3. Install the fan blade mounting bolts.
  4. Tighten
    Tighten the bolts to 33 N·m (24 lb ft).


    Object Number: 42910  Size: SH
  5. Install the fan clutch assembly to the water pump using the J 46406 .
  6. Tighten
    Tighten the fan clutch to 56 N·m (40 lb ft).

  7. Install the upper fan shroud. Refer to Fan Shroud Replacement .