Tighten the screws to 17 inch lbs.
Ford flex passenger blend door actuator.
Mode door controls which vents the air comes out of.
It was not fun but took me a little over an hour to do.
Fixes problem where passenger heater vents are stuck at one temperature on a 2011 2012 2013 2014 or 2015 ford explorer.
Install the blend door actuator onto the passenger side of the hvac air distribution housing.
Connect the hvac wire harness connector to the blend door actuator.
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.
The install was a pain.
I can confirm that the dorman number was 604 253.
Install the screws that secure the blend door actuator to the passenger side of the air distribution housing.
In this video i replace the noisy clicking hvac recirculation door actuator in my 2010 ford flex.
The passenger side blend door is working now.
Auxiliary or blend door controls the blend of hot and cold air.
Also fixes problem where growling.
For me the key issue was moving the black plastic cover out of the way far enough to gain good access.
I replaced my passenger blend door actuator last night on my 2010.
My procedure was to.
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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.