I also learned that only the 2002 envoy had to have a puller to remove the old actuator.
2002 gmc envoy blend door actuator.
No parts for vehicles in selected markets.
It is controlled by a blend door actuator which is a small electric motor.
After doing some online research and looking under the dash while operating the door i determined it was the mode door actuator the clicking is the motor in the actuator going bad.
When you turn the knob on your dash to the desired temperature the actuator moves the blend door to achieve the proper mix.
Compatible with chevrolet trailblazer 2002 main mode actuator cam and actuator assembly.
Due to high manufacturing standard it will come with one year quality guarantee.
I just replaced three of the four actuators for hvac mode blend actuator.
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Start date apr 7 2012.
I replaced left side driver dorman 604 111 right side passenger dorman 604 106.
I started pushing the buttons for the vent operations and it would do it then.
Heater blend door actuator connector.
A premium blend door actuators are an ideal choice to replace your broken blend door actuators.
2002 envoy mode door actuator replacement.
These two control the flaps for air.
The blend door or vent door mixes warm and cool air to be sent to your vents.