If your silverado only provides very cold air or very hot air from the vents there may be a problem with the blend door or the blend door actuator.
Driver side blend door actuator 2004 chevy silverado.
I successfully removed the old and installed the new.
Hvac air door actuator 604 106 52402588 for chevrolet chevy gmc silverado 1500 and 2500 tahoe sierra hvac blend control actuator heater blend door 4 0 out of 5 stars 1 18 99 18.
Replacing the driver side blend door actuator acdelco 1572972 and reseting the blend doors for the front a c system.
Equip cars trucks suvs with 2004 chevrolet silverado 1500 a c heater blend door actuator from autozone.
The actuator moves the blend door in your silverado s heating and air system to achieve the proper mix of hot and cold air.
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It was still blowing hot out of the driver s side.
I watched you video on replacing the blend door actuator.