GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 46406 Fan Clutch Remover and Installer

Removal Procedure

  1. Disconnect the negative battery 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 the retainer (1).
  7. Remove the MAP sensor (2).
  8. Remove the left shock module, if frame mount is being removed. Refer to Shock Absorber and Spring Assembly Replacement .

  9. Object Number: 754322  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 damage 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 stud.

  17. Object Number: 754319  Size: SH
  18. Remove the left engine mount to bracket nut (1) and the mount from the bracket.

  19. Object Number: 754318  Size: SH
  20. Remove the left engine mount bracket bolts (1).
  21. Remove the left engine mount bracket.

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

Installation Procedure


    Object Number: 771633  Size: SH
  1. Install the left frame engine mount bracket, if removed.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the left 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. Install the left engine mount bracket and secure the bracket with the bolts (1).
  6. Tighten
    Tighten the engine mount bracket bolts to 50 N·m (37 lb ft).


    Object Number: 754319  Size: SH
  7. Install the left engine mount onto the bracket.
  8. Lower the engine onto the engine mounts.
  9. Install the right and the left upper engine mount nuts (1).
  10. Tighten
    Tighten the upper engine mount nuts to 70 N·m (52 lb ft).

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

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

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

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