2004 Mercury Mountaineer "correct ac heater actuator" Questions

...correct, your unit only blows out cold air. If so, your problem is the "Heating & AC blend door actuator. It is a small plastic box that contains plastic gears. The unit receives an electric ...

...ac pipes, the pipe is ice cold and the pressures are correct, I have changed the heater blend door actuator and made sure that the actuator is moving when I adjust the temperature, I had the car at a ...

Correct pressure and condensation on lines leading to inside coil. Rear A/C working fine. Heater is working fine. Feel like there is a flap not closing that is pulling in ouside air. Where would it be

...ac control head in the dash, as you switch it it sends vacuum to the correct location to work that door for the desired air outlet, dash, floor etc.. there are 3 actuators the top one is for the ...

ac/heater controller is not working correctly, it stays on defrost mode all the time, no matter were you put the lever. Check the actuator motor on the heater box under the dash. The small motor moves

...heater has only been blowing cold air. Checked coolant and replaced the thermostat. No change. AC worked fine this summer. Heat worked fine last winter? Suggestions? sounds like you have a bad ...

AC, but my vents stayed stuck on defrost, and would not switch back to the front vents. I had both the upper and lower blend door actuators replaced, but did not correct the problem. olandchavaz, What

AC works so well. Any idea's? Check your temp control switch the control is not sending the correct signal to the actuator. Try turning on the heater an then dial it up/down temp and see if that works

...ac works when you turn temp down but only blows lukewarm air when turned all the up. replaced thermostat no change Here are a few suggestions for things to check. Make sure your coolant (antifreeze) ...

...AC/heater vent control. i am thinking the blend door actuator may be bad but i don't know where it is or how to get to it for that matter. what is a good source to go to for a schematic so i can ...