GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 46406 Fan Clutch Remover and Installer

Removal Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .

  2. Object Number: 750177  Size: SH
  3. Disconnect the fan clutch electrical connector.
  4. Using J 46406 remove the cooling fan clutch from the water pump pulley and leave loose inside of the fan shroud.

  5. Object Number: 732839  Size: SH
  6. Remove the manifold absolute pressure (MAP) sensor electrical connector and retainer (1).
  7. Remove the MAP sensor (2).
  8. Remove the right shock module, if frame engine mount is being removed. Refer to Shock Absorber and Spring Assembly Replacement .

  9. Object Number: 754319  Size: SH
  10. Remove the right and the left upper engine mount nuts (1).
  11. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  12. Remove the right and the left lower engine mount nuts.
  13. Remove the engine protection shield. Refer to Engine Protection Shield Replacement .
  14. Important: When placing jack onto the oil pan, pay close attention to not damaging the oil level sender.

  15. Lower the vehicle and place a floor jack under the oil pan with a block of wood.
  16. Raise the engine with the jack just enough to clear the engine mount studs.
  17. Remove the right engine mount from the bracket. Note the location of the heat shield for installation.

  18. Object Number: 754318  Size: SH
  19. Graphic shows left, right is similar.
  20. Remove the right engine mount bracket bolts (1).

  21. Remove the right engine mount bracket.

  22. Object Number: 771633  Size: SH
  23. Graphic shows left, right is similar.
  24. Remove the right frame engine mount bracket bolts, if required.

  25. Remove the right frame engine mount bracket, if required.

Installation Procedure


    Object Number: 771633  Size: SH
  1. Graphic shows left, right is similar.
  2. Install the right frame engine mount bracket, if removed.

    Notice: Refer to Fastener Notice in the Preface section.

  3. Install the right frame engine mount bracket bolts, if removed.
  4. Tighten
    Tighten the mount bracket bolts to 110 N·m (81 lb ft).


    Object Number: 754318  Size: SH
  5. Graphic shows left, right is similar.
  6. Install the right engine mount bracket and secure with the bolts (1).

    Tighten
    Tighten the engine mount bracket bolts to 50 N·m (37 lb ft).


    Object Number: 754322  Size: SH
  7. Install the right engine mount.
  8. Important: Ensure that the heat shield is located properly over the anti-rotation feature - right side only.

  9. Lower the engine onto the engine mounts.
  10. Install the right and the left upper engine mount nuts (1).
  11. Tighten
    Tighten the upper engine mount nuts to 70 N·m (52 lb ft).

  12. Raise the vehicle and remove the floor jack from under the vehicle.
  13. Install the engine protection shield and secure with the bolts. Refer to Engine Protection Shield Replacement .
  14. Install the right and the left lower engine mount nuts.
  15. Tighten
    Tighten the lower engine mount nuts to 70 N·m (52 lb ft).

  16. Lower the vehicle.
  17. Install the right shock module. Refer to Shock Absorber and Spring Assembly Replacement .

  18. Object Number: 732839  Size: SH
  19. Install the MAP sensor (2).
  20. Install the MAP sensor retainer (1) and the electrical connector.

  21. Object Number: 750177  Size: SH
  22. Using J 46406 install the cooling fan clutch to the water pump pulley.
  23. Connect the fan clutch electrical connector.
  24. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .