GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41240-5A Fan Clutch Wrench

Removal Procedure


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

    1. The fan nut has left hand (REVERSE) threads.
    2. Do not completely remove the fan from the crank adapter shaft.

  3. Loosen the fan nut from the crank adapter shaft using J 41240-5A .
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Disconnect the engine wiring harness from the engine frame and reposition aside.
  6. Continue to loosen the fan nut and disconnect the fan from the crank adapter shaft.
  7. Remove fan from vehicle.

Installation Procedure


    Object Number: 1442452  Size: SH
  1. Install fan from vehicle.
  2. Connect the fan to the crank adapter shaft.
  3. Connect the engine wiring harness to the engine frame.
  4. Lower the vehicle.
  5. Notice: Refer to Fastener Notice in the Preface section.

    Important: The fan nut has right hand (REVERSE) threads.

  6. Tighten the fan nut to the crank adapter shaft using J 41240-5A .
  7. Tighten
    Tighten the nut to 100 N·m (74 lb ft).

  8. Install the air cleaner intake duct. Refer to Air Cleaner Outlet Duct Replacement .