GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Fan Motor Replacement

Removal Procedure
  1. Remove the cooling fan assembly. Refer to Engine Cooling Fan Replacement .

    2. 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.

  2. Remove the fan blade retaining nut (5) from the cooling fan motor (2).
  3. Remove the fan blade (4) from the cooling fan motor shaft.
  4. Remove the cooling fan motor retaining screws (3).
  5. Remove the cooling fan 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.

  2. Install the motor retaining screws (3).

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

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

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

  5. Install the cooling fan assembly. Refer to Engine Cooling Fan Replacement .