For me the key issue was moving the black plastic cover out of the way far enough to gain good access.
Ford flex passenger blend door actuator.
Mode door controls which vents the air comes out of.
The install was a pain.
Four seasons 8a8z19e616a air door actuator fits blend door controls the blend of hot and cold air.
Auxiliary or blend door controls the blend of hot and cold air.
Connect the hvac wire harness connector to the blend door actuator.
It was not fun but took me a little over an hour to do.
The top right bolt was almost impossible to get to in this particular location but with the use of a titan 1 4 drive micro ratchet a 1 4 to 3 8.
Tighten the screws to 17 inch lbs.
The passenger side blend door is working now.
If necessary rotate the actuator slightly to align the splines on the actuator output shaft with those on the blend door cam.
Install the screws that secure the blend door actuator to the passenger side of the air distribution housing.
Hvac blend door actuator replaces 604 234 aa5z 19e616 c yh 1779 for 2011 2018 ford explorer flex 2008 2018 ford taurus 2010 2018 lincoln mkt 4 3 out of 5 stars 62 17 99 17.
My procedure was to.
Fixes problem where passenger heater vents are stuck at one temperature on a 2011 2012 2013 2014 or 2015 ford explorer.
I replaced my passenger blend door actuator last night on my 2010.
I installed this for the passenger side blend door actuator on my wifes 2013 ford flex that had failed after 6 7 years.
Install the blend door actuator onto the passenger side of the hvac air distribution housing.
Also fixes problem where growling.