GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the evaporator core. Refer to Air Conditioning Evaporator Core Replacement .
  2. Remove the air inlet assembly. Refer to Air Inlet Assembly Replacement .
  3. Remove the HVAC module wire harness from the blower case assembly.

  4. Object Number: 933076  Size: SH
  5. Remove the blower motor screws from the blower case assembly.
  6. Remove the blower motor from the blower case assembly.

  7. Object Number: 933084  Size: SH
  8. Remove the blower motor resistor screws from the blower case assembly.
  9. Remove the blower motor resistor from the blower case assembly.

Installation Procedure


    Object Number: 933084  Size: SH
  1. Install the blower motor resistor to the blower case 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 blower motor resistor screws to the blower case assembly.
  4. Tighten
    Tighten the screws to 1 N·m (9 lb in).


    Object Number: 933076  Size: SH
  5. Install the blower motor to the blower case assembly.
  6. Install the blower motor screws to the blower case assembly.
  7. Tighten
    Tighten the screws to 1 N·m (9 lb in).

  8. Install the HVAC module wire harness from the blower case assembly.
  9. Install the air inlet assembly. Refer to Air Inlet Assembly Replacement .
  10. Install the evaporator core. Refer to Air Conditioning Evaporator Core Replacement .