1986 Buick Century "ac repair car actuator door" Questions

ac and heat air flow stuck in defrost postion up top . The hvac blend doors are vacuum actuated. It takes vacuum from the intake manifold via a line that goes through the firewall just right ...

actuator, a vacuum control or a manual cable but the door is likely not closing all the way and allowing air to pass through the heater core. ---------- There are few possibilities needs to be checked

...AC Heater Temperature Actuator ... ? 4:40 https://www.youtube.com/watch?v=mVP09M7hLB4 Jul 21, 2014 - Uploaded by 1A Auto Parts http://www.1aauto.com/temperature-blend-door-actuator/i/1ahcx00293 ... ...

AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a

AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a

AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a

AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a

AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a

AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a

AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a