HVAC Components
WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Items |
|---|
| 1. M4 Air Inlet Door Actuator M4 Air Inlet Door Actuator |
| 2. M37 Mode Door Actuator M37 Mode Door Actuator |
| 3. B39 A/C Evaporator Temperature Sensor B39 A/C Evaporator Temperature Sensor |
| 4. E40 Electrical Auxiliary Heater (C32) E40 Electrical Auxiliary Heater (C32)E40 Electrical Auxiliary Heater (C32) |
| 5. M6L Air Temperature Door Actuator - Left M6L Air Temperature Door Actuator - Left |
| 6. M8 Blower Motor M8 Blower Motor |