replace temperature door actuator.
The temperature blend door actuator is almost straight behind the radio.See "Related Questions" below for detailed instructions on replacing the actuator.
Temperature blend actuator motors price around $45-80.Lots of after-market alternatives to the Ford dealership.
The temperature door actuator controls the opening to the heater core. The heater core door regulates the desired temperature in the passenger cabin.
Where is the blend door actuator on a 1998 Sonoma
I believe it is a blend door actuator. The blend door actuator "blends" hot and cold air enabling you to control the climate control temperature.
If it is broken. It could be a faulty temperature blend door actuator.
The blend door blends the hot air with the cold air to produce the temperature you have selected on the temp control switch.
It is possible the temperature blend door actuator has failed. Do you hear a thumping type noise when adjusting the temperature? If so, it is highly likely the actuator needs replacing. Very common
The air door actuator on a 1998 GMC Jimmy is located in the dash. It is located behind the glove box.
where is the defrost/floor door actuator on 2002 chevy trailblazer
It could be the temperature blend door actuator.