Replacing Blend Door Actuator

  • 2012 FORD F-150
  • 5.0L
  • V8
  • 2WD
  • 144,000 MILES
My truck has the dual zone climate control and I have heat coming out of only the passenger side vents. So, I know that I get to replace the worst actuator under the plenum and on top of the floor vents. I don't want to cut up my truck like many of the YouTube videos suggest is the easy way to do the job. I am more than comfortable pulling my dash out and while I do one, I may as well do the rest of the actuators.

My question is, once I get the dash out, how do I actually replace the blend actuator? It is still sat on top of the floor vents so do I have to pull the whole plenum off the firewall, or do I get better access to remove all the floor vents with the dash out?
Do you
have the same problem?
Saturday, November 13th, 2021 AT 10:45 AM

1 Reply


I'm not sure who designed these, but you do have to remove the entire dash. Also, you do need to remove the heater core/evaporator core box which requires draining the engine coolant and evacuating the A/C system. It can be a bit of a job, but like you, I would rather do it this way and not cut things.

It sounds like you are comfortable with the removal of the dash, so I will start with the removal of the heater core and the evaporator core. If, however, you need info on the dash, let me know.

If you look below, I attached the directions for removing the cores. After the first set of directions, I included the removal and replacement of the actuator.

Let me know if this helps or if you have other questions.

Take care,


See pics below.
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Saturday, November 13th, 2021 AT 10:46 PM

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