GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41240 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. Using the J 41240 to secure the water pump pulley, loosen the cooling fan hub nut from the water pump shaft.

  4. Object Number: 732839  Size: SH
  5. Remove the MAP sensor electrical connector and the retainer (1).
  6. Remove the MAP sensor (2).
  7. Remove the left shock module (if frame mount is being removed). Refer to Shock Absorber and Spring Assembly Replacement in Front Suspension.

  8. Object Number: 754322  Size: SH
  9. Remove the right and the left upper engine mount nuts.
  10. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  11. Remove the right and the left lower engine mount nuts.

  12. Object Number: 687450  Size: SH
  13. Remove the engine protection shield mount bolts.
  14. Remove the engine protection shield.
  15. Important: When placing jack onto the oil pan, pay close attention to not damage the oil level sender.

  16. Lower the vehicle and place a floor jack under the oil pan with a block of wood.
  17. Raise the engine with the jack just enough to clear the engine mount studs.

  18. Object Number: 754319  Size: SH
  19. Remove the left engine mount from the bracket.

  20. Object Number: 754318  Size: SH
  21. Remove the left engine mount bracket bolts.
  22. Remove the left engine mount bracket.

  23. Object Number: 771633  Size: SH
  24. Remove the left frame engine mount bracket bolts, if required.
  25. 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: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  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. Object Number: 754318  Size: SH
  10. Install the right and the left upper engine mount nuts.
  11. Tighten
    Tighten the upper engine mount nuts to 70 N·m (52 lb ft).

  12. Raise the vehicle and remove the jack from under the vehicle.

  13. Object Number: 687450  Size: SH
  14. Install the engine protection shield and secure the shield with the bolts.
  15. Tighten
    Tighten the engine protection shield bolts to 25 N·m (18 lb ft).


    Object Number: 754322  Size: SH
  16. Install the right and the left lower engine mount nuts.
  17. Tighten
    Torque the lower engine mount nuts to 70 N·m (52 lb ft).

  18. Lower the vehicle.
  19. Install the left shock module. Refer to Shock Absorber and Spring Assembly Replacement in Front Suspension.

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

  23. Object Number: 750177  Size: SH
  24. Connect the cooling fan hub nut to the water pump shaft.
  25. Install the J 41240 to the water pump pulley and tighten the cooling fan hub nut.
  26. Tighten
    Tighten the hub nut to 56 N·m (41 lb ft).

  27. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .