GM Service Manual Online
For 1990-2009 cars only

Engine Coolant Fan Replacement Gasoline Engines

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1291098  Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the cooling fan electrical connector.
  3. Remove the fan shroud mounting bolts.
  4. Lift the fan shroud assembly upward, and remove the fan shroud assembly from the vehicle.

  5. Object Number: 1291101  Size: SH
  6. Remove the fan blade from the fan shroud assembly by removing the nut at the center of the fan hub.
  7. Turn over the fan shroud assembly.

  8. Object Number: 1291102  Size: SH
  9. Remove the fan motor retaining screws.
  10. Remove the fan motor from the shroud.

Installation Procedure


    Object Number: 1291102  Size: SH

    Warning: If a fan blade is bent or damaged in any way, do not repair or reuse the damaged part. Always replace a bent or damaged fan blade. Fan blades that have been damaged can not be assured of proper balance and could fail and fly apart during subsequent use. This creates an extremely dangerous situation.

    The fan blades must remain in proper balance. You cannot assure fan blade balance once a fan blade has been bent or damaged. A fan blade that is not in proper balance could fail and fly apart during use, creating an extremely dangerous situation.

  1. Install the fan motor to the shroud.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Secure the motor to the shroud with the retaining screws.
  4. Tighten
    Tighten the fan motor retaining screws to 4 N·m (35 lb in).

  5. Turn over the fan shroud assembly.

  6. Object Number: 1291101  Size: SH
  7. Install the fan to the fan shroud assembly with the single nut in the center of the fan hub.
  8. Tighten
    Tighten the fan motor nut to 3.2 N·m (28 lb in).


    Object Number: 1291098  Size: SH
  9. Install the fan shroud assembly to the radiator.
  10. Note: Be careful to seat the mounting post on the fan shroud into the socket at the radiator left tank. Be sure to slip the tab at the bottom edge of the shroud into the retaining clip near the center of the radiator.

  11. Secure the shroud to the top of the radiator with the mounting bolts.
  12. Tighten
    Tighten the fan assembly mounting bolts to 4 N·m (35 lb in).

  13. Connect the cooling fan electrical connector.
  14. Connect the negative battery cable.

Engine Coolant Fan Replacement Diesel Engine

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1962211  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the beauty cover. Refer to Engine Cover Replacement.
  3. Remove the charge air system hoses and ducts. Refer to Charge Air Cooler Inlet Pipe and Outlet Pipe Replacement.
  4. Remove the battery and battery tray. Refer to Battery Tray Replacement.
  5. Remove the underhood auxiliary fuse block.

  6. Object Number: 1962212  Size: SH
  7. Disconnect the main cooling fan electrical connector.
  8. Remove the cooling fan shroud mounting bolts.
  9. Remove the cooling fan assembly upward.

Installation Procedure


    Object Number: 1863839  Size: SH

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

  1. Install the cooling fan to the radiator.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the cooling fan assembly retaining bolts.
  4. Tighten
    Tighten the cooling fan assembly bolts to 4 N·m (35 lb in).


    Object Number: 1962212  Size: SH
  5. Install the underhood auxiliary fuse block.
  6. Install the battery and battery tray. Refer to Battery Tray Replacement.
  7. Install the charge air system hoses and ducts. Refer to Charge Air Cooler Inlet Pipe and Outlet Pipe Replacement.
  8. Install the engine cover. Refer to Engine Cover Replacement.
  9. Connect the negative battery cable.