GM Service Manual Online
For 1990-2009 cars only

Engine Coolant Fan Replacement LX5

Tools Required

J 41623-B Cooler Quick Connect Tool

Removal Procedure

    Caution: An electric fan under the hood can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan.

    Caution: To help avoid personal injury or damage to the vehicle, a bent, cracked, or damaged fan blade or housing should always be replaced.

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the upper tie bar. Refer to Front End Upper Tie Bar Replacement in Body Front End.

  3. Object Number: 656442  Size: SH
  4. Disconnect the wiring harness electrical connectors from the cooling fan motors.
  5. Remove the clips attaching the wiring harness to the fan shroud.
  6. Remove the lower air deflector. Refer to Front Air Deflector Replacement in Body Front End.

  7. Object Number: 420680  Size: SH
  8. Remove the transaxle oil cooler line retaining bolt and clip from the fan shroud.
  9. Lower the vehicle.
  10. Slide the plastic cap off the upper quick connect joint.
  11. Disconnect the upper transaxle oil cooler line from the radiator using the J 41623-B

  12. Object Number: 656446  Size: SH
  13. Remove the two fan shroud mounting bolts.
  14. Important: Care should be taken when removing the cooling fan assembly not to damage the lower attachment points of both the cooling fan assembly and radiator.

  15. Lift the cooling fan assembly off the lower mounting features of the radiator and remove from the vehicle.

  16. Object Number: 334274  Size: SH

    Important: The fan blade retaining nut is left hand thread, damage may occur to motor threads if attempting to remove as a right hand thread nut.

  17. Remove the fan retaining nut (5) from the motor (2).
  18. Remove the fan (4) from the motor shaft.
  19. Remove the motor retaining screws (3).
  20. Remove the motor (2) from the shroud (1).

Installation Procedure


    Object Number: 334274  Size: SH
  1. Install the motor (2) to the shroud (1).
  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 motor retaining screws (3).
  4. Tighten
    Tighten the electric cooling fan motor mounting screws to 6 N·m (53 lb in).

  5. Install the fan (4) to the motor shaft.
  6. Install the fan retaining nut (5) to the motor (2).
  7. Tighten
    Tighten the electric cooling fan blade retaining nut to 6 N·m (53 lb in).


    Object Number: 656446  Size: SH

    Important: Care should be taken when installing the cooling fan assembly not to damage lower attachment points of both the cooling fan assembly and radiator.

  8. Install the cooling fan assembly into position, aligning the lower feet of the shroud to the lower mounting features on the radiator.
  9. Important: The bolts retaining the cooling fan to the radiator end tanks are a special length and should be the ONLY bolts used upon reinstallation. The use of longer bolts will damage the radiator end tanks.

  10. Install the cooling fan mounting bolts
  11. Tighten
    Tighten the cooling fan mounting bolts to 6 N·m (53 lb in).


    Object Number: 430130  Size: SH
  12. Push the upper transaxle oil cooler line into the radiator quick connect fitting, until a "click" is heard.
  13. Tug gently on the cooler line to ensure proper retention.
  14. Slide the plastic cap (1) over the quick connect joint.
  15. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  16. Object Number: 420680  Size: SH
  17. Install the transaxle oil cooler line retaining clip and bolt to the fan shroud.
  18. Tighten
    Tighten the transaxle oil cooler line retaining bolt to 6 N·m (53 lb in).

  19. Install the lower air deflector. Refer to Front Air Deflector Replacement in Body Front End.

  20. Object Number: 656442  Size: SH
  21. Connect the wiring harness electrical connectors to the cooling fan motors.
  22. Attach the wiring harness retaining clips to the fan shroud.
  23. Install the upper tie bar. Refer to Front End Upper Tie Bar Replacement in Body Front End.
  24. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

Engine Coolant Fan Replacement L47

Tools Required

    • J 37097-A Hose Clamp Remover/Installer
    • J 41623-B Cooler Quick Connect Tool

Removal Procedure

    Caution: An electric fan under the hood can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan.

    Caution: To help avoid personal injury or damage to the vehicle, a bent, cracked, or damaged fan blade or housing should always be replaced.

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the upper tie bar. Refer to Front End Upper Tie Bar Replacement in Body Front End.
  3. Drain the cooling system. Refer to Cooling System Draining and Filling .

  4. Object Number: 518339  Size: SH
  5. Position the J 37097-A  (3) to the clamp in order to remove the radiator hose (2) from the radiator (1), and place aside over the engine.

  6. Object Number: 566627  Size: SH
  7. Remove the upper transaxle oil cooler line retaining bolt and retainer from the fan shroud.
  8. Slide the plastic cap off the quick connect joint.
  9. Disconnect the upper transaxle oil cooler line from the radiator using the J 41623-B .

  10. Object Number: 609076  Size: SH
  11. Disconnect the wiring harness electrical connectors (1) from the cooling fan motors.
  12. Remove the clips (2) attaching the harness to the fan shroud.
  13. Disconnect the 2 retainers from the A/C discharge hose.

  14. Object Number: 609077  Size: SH
  15. Remove the 2 fan shroud mounting bolts.
  16. Important: Care should be taken when removing the cooling fan assembly not to damage the lower attachment points of both the cooling fan assembly and radiator.

  17. Lift the cooling fan assembly off the lower mounting features of the radiator and position towards the right side of the vehicle in order to remove.

  18. Object Number: 334274  Size: SH

    Important: The fan blade retaining nut is left hand thread, damage may occur to motor threads if attempting to remove as a right hand thread nut.

  19. Remove the fan retaining nut (5) from the motor (2).
  20. Remove the fan (4) from the motor shaft.
  21. Remove the motor retaining screws (3).
  22. Remove the motor (2) from the shroud (1).

Installation Procedure


    Object Number: 334274  Size: SH
  1. Install the motor (2) to the shroud (1).
  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 motor retaining screws (3).
  4. Tighten
    Tighten the electric cooling fan motor mounting screws to 6 N·m (53 lb in).

  5. Install the fan (4) to the motor shaft.
  6. Install the fan retaining nut (5) to the motor (2).
  7. Tighten
    Tighten the electric cooling fan blade retaining nut to 6 N·m (53 lb in).


    Object Number: 609077  Size: SH

    Important: Care should be taken when installing the cooling fan assembly not to damage the lower attachment points of both the cooling fan assembly and radiator.

  8. Install the cooling fan assembly into position, aligning the lower feet of the shroud to the mounting features on the radiator.
  9. Important: The bolts retaining the cooling fan to the radiator end tanks are a special length and should be the ONLY bolts used upon reinstallation. The use of longer bolts will damage the radiator end tanks.

  10. Install the cooling fan mounting bolts
  11. Tighten
    Tighten the cooling fan mounting bolts to 6 N·m (53 lb in).


    Object Number: 609076  Size: SH
  12. Connect the wiring harness electrical connectors (1) to the cooling fan motors.
  13. Attach the wiring harness retaining clips (2) to the fan shroud.
  14. Connect the 2 retainers to the A/C discharge hose.

  15. Object Number: 430130  Size: SH
  16. Push the upper transaxle oil cooler line into the radiator quick connect fitting, until a "click" is heard.
  17. Tug gently on the cooler line to ensure proper retention.
  18. Slide the plastic cap (1) over the quick connect joint.

  19. Object Number: 566627  Size: SH
  20. Install the upper transaxle oil cooler line retaining bolt to the fan shroud.
  21. Tighten
    Tighten the transaxle oil cooler line retaining bolt to 6 N·m (53 lb in).


    Object Number: 518339  Size: SH
  22. Position the J 37097-A  (3) to the clamp in order to connect the radiator hose (2) to the radiator (1).
  23. Install the upper tie bar. Refer to Front End Upper Tie Bar Replacement in Body Front End.
  24. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  25. Fill the cooling system. Refer to Cooling System Draining and Filling .