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HVAC air does not blow out the face vents?

Tiny
TYGOH
  • MEMBER
  • 2014 FORD F-150
  • 3.5L
  • V6
  • TURBO
  • 4WD
  • AUTOMATIC
  • 125,000 MILES
Hello, I've recently developed a problem with my HVAC system. It is blowing hot and cold air when I demand it, but air will not flow through the face vents, only the defrost and floorboard vents. The research I have looked through tells me it's the blend door actuator, in which I assumed as well, but the further I got into searching I have found out that there is more than one actuator for the HVAC and I have no clue as to which actuator needs to be changed for changing modes on my ventilation system. Any tips?
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Thursday, July 21st, 2022 AT 7:31 AM

3 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It sounds like the issue is a stuck mode door actuator.
The Mode actuator is what controls where the air will flow.
The mode door actuator is located on the side of the HVAC box, mounted with two screws.

I have attached the replacement procedure below.

Please let me know of any questions.
Thank you.

https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position
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Thursday, July 21st, 2022 AT 2:38 PM
Tiny
TYGOH
  • MEMBER
  • 2 POSTS
Thank you for responding, I am not really familiar with this part of the truck, I know the blend door actuator is behind the stereo screen, is the mode actuator down by the gas petal? Or is it all the same actuator?
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Thursday, July 21st, 2022 AT 4:41 PM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
The mode door is a separate part. It is located on the left side of the HVAC box.
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Thursday, July 21st, 2022 AT 9:29 PM

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