GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 4WD 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Auxiliary Blower Motor Processor Replacement

Removal Procedure
  1. Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side in Interior Trim.
  2. Remove the HVAC module-auxiliary. Refer to Auxiliary HVAC Module Replacement in Heating, Ventilation and Air Conditioning.
  3. Disconnect the electrical connector from the blower motor processor.
  4. Remove the retaining screws from the blower motor processor (1).

    5. Object Number: 814581 Size: SH
  5. Remove the blower motor processor (3) from the HVAC module (2).

Installation Procedure

    Object Number: 814581 Size: SH
  1. Install the blower motor processor (3) to the HVAC module (2).

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the retaining screws to the blower motor processor (3).

    3. Tighten
    Tighten the screws to 1.9 N·m (17 lb in).

  3. Install the HVAC module-auxiliary. Refer to Auxiliary HVAC Module Replacement in Heating, Ventilation and Air Conditioning.
  4. Connect the electrical connector to the blower motor processor (1).
  5. Install the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side in Interior Trim.