GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The blower motor and fan are located in the lower right hand corner of the HVAC module. Service this component as an assembly only.


    Object Number: 590286  Size: SH
  1. Remove the right side instrument panel (IP) insulator. Refer to Instrument Panel Insulator Panel Replacement - Right Side in Instrument Panel, Gauges and Console.
  2. Move the Body Control Module (BCM) aside. Refer to Body Control Module Replacement in Body Control System.
  3. Disconnect the blower motor electrical connector.

  4. Object Number: 477119  Size: SH
  5. Remove the blower motor retaining screws.
  6. Remove the blower motor and fan assembly.

Installation Procedure


    Object Number: 477119  Size: SH
  1. Install the blower motor and fan assembly.
  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 retaining screws.
  4. Tighten
    Tighten the screws to 5 N·m (45 lb in).


    Object Number: 590286  Size: SH
  5. Connect the blower motor electrical connector.
  6. Install the BCM into position. Refer to Body Control Module Replacement in Body Control System.
  7. Install the right side IP insulator. Refer to Instrument Panel Insulator Panel Replacement - Right Side in Instrument Panel, Gauges and Console.