GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 180301  Size: SH
  1. Recover refrigerant from the air conditioning system.
  2. Remove the battery tray. Refer to Battery Tray Replacement in Engine Electrical.
  3. Disconnect air conditioning compressor hose from condenser.
  4. Disconnect the air conditioning compressor hose from the clips on top of the upper radiator shroud.
  5. Disconnect the front differential vent hose from the upper radiator fan shroud
  6. Remove the upper fan shroud screws.
  7. Reposition the air conditioning compressor hose up and remove the upper radiator shroud.
  8. Remove the cooling fan. Refer to Fan Clutch Replacement .

  9. Object Number: 382732  Size: SH
  10. Remove the lower fan shroud from the vehicle.
  11. 9.1. Insert a flat blade screw driver into the lower fan shroud locating tab.
    9.2. While gently pulling the lower fan shroud upward, turn the screw driver to release the locating tab from the radiator.
    9.3. Release the remaining two locating tab using the above steps.

Installation Procedure


    Object Number: 180301  Size: SH
  1. Place the lower fan shroud in the vehicle.
  2. 1.1. Position the lower fan shroud against the radiator.
    1.2. Engage the three locating tabs by pushing down.
  3. Install the cooling fan. Refer to Fan Clutch Replacement .
  4. Install the upper fan shroud to the lower fan shroud.
  5. 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.

  6. Install the fan shroud attaching screws.
  7. Tighten
    Tighten the fan shroud attaching screws to 10 N·m (89 lb in).

  8. Connect the front differential vent hose to the upper radiator fan shroud
  9. Connect the air conditioning compressor hose to the clips on top of the upper radiator shroud.
  10. Connect air conditioning compressor hose to condenser.
  11. Install the battery tray. Refer to Battery Tray Replacement in Engine Electrical.
  12. Recharge refrigerant to the air conditioning system.