GM Service Manual Online
For 1990-2009 cars only

Fan Replacement LH2 With V92

Special Tools

J 41240 Fan Clutch Remove and Installer

Removal Procedure


    Object Number: 1442452  Size: SH
  1. Remove the air cleaner intake duct. Refer to Air Cleaner Outlet Duct Replacement.
  2. Note: 

       • The fan nut has left hand (reverse) threads.
       • Do not completely remove the fan from the crank adapter shaft.

  3. Loosen the fan nut from the crank adapter shaft using J 41240 .
  4. Remove the fan shroud. Refer to Engine Coolant Fan Shroud Replacement.
  5. Continue to loosen the fan nut and disconnect the fan from the crank adapter shaft.
  6. Remove the fan from the vehicle.

Installation Procedure


    Object Number: 1442452  Size: SH

    Note: The fan nut has left hand (reverse) threads.

  1. Install the fan to the vehicle.
  2. Connect the fan to the crank adapter shaft.
  3. Install the fan shroud. Refer to Engine Coolant Fan Shroud Replacement.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Tighten the fan nut to the crank adapter shaft using J 41240 to 100 N·m (74 lb ft).
  6. Install the air cleaner intake duct. Refer to Air Cleaner Outlet Duct Replacement.