GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 DeVille 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Fan Replacement

Removal Procedure

    Object Number: 287612 Size: SH
  1. Remove the hood latch bracket. Refer to Hood Primary Latch Replacement in Body Front End.
  2. Drain the engine coolant. Refer to Cooling System Draining and Filling
  3. Remove the headlamps. Refer to Headlamp Replacement .
  4. Remove the condenser mounting bolts.

    5. Object Number: 130784 Size: SH
  5. Remove the radiator brackets.
  6. Disconnect the upper engine oil cooler hose from the radiator.
  7. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement

    8. Object Number: 130761 Size: SH
  8. Disconnect the lower radiator hose from the radiator.
  9. Tilt the radiator forward.
  10. Disconnect the electrical connectors from the cooling fans.

    11. Object Number: 130781 Size: SH
  11. Disconnect the generator inlet cooler hose from the radiator.

    12. Object Number: 130726 Size: SH
  12. Remove the cooling fan assembly from the radiator.

    13. Object Number: 130784 Size: SH
  13. Remove the radiator.

    14. Object Number: 334274 Size: SH
  14. Remove the fan retaining nut (5) from the motors (2).
  15. Remove the fan (4) from the motor shaft
  16. Remove the motor retaining screws (3).
  17. Remove the motor (2) from the shroud (1).

Installation Procedure

    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.


    Object Number: 334274 Size: SH
  1. Install the motor (2) to the shroud (1).
  2. Install the motor retaining screws (3).

    3. Tighten
    Tighten the fan motor mounting screws to 6 N·m(53 lb in).

  3. Install the fan (4) to the motor shaft
  4. Install the fan retaining nut (5) to the motors (2).

    5. Tighten
    Tighten the fan retaining nut to 6 N·m (53 lb in).


    Object Number: 130726 Size: SH
  5. Install the cooling fan assembly to the radiator.

    6. Object Number: 130784 Size: SH
  6. Install the radiator to vehicle.

    7. Object Number: 130781 Size: SH
  7. Connect the generator inlet cooler line to the radiator.
  8. Connect the electrical connectors to the cooling fans.

    9. Object Number: 130761 Size: SH
  9. Connect the lower radiator hose to the engine.
  10. Install the air cleaner. Refer to Air Cleaner Assembly Replacement
  11. Connect the upper engine oil cooler hose to the radiator.

    12. Object Number: 130784 Size: SH
  12. Install the radiator brackets.

    13. Object Number: 287612 Size: SH
  13. Install the condenser mounting bolts.

    14. Tighten
    Tighten the condenser mounting bolts to 13 N·m (10 lb ft).

  14. Install the hood latch bracket. Refer to Hood Primary Latch Replacement
  15. Install the headlamps. Refer to Headlamp Replacement .
  16. Fill the cooling system. Refer to Cooling System Draining and Filling .