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Blend Door Actuator???

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Old Nov 21, 2014 | 03:37 PM
  #1  
CLINT-THE-GREAT's Avatar
CLINT-THE-GREAT
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From: Central Illinois
Blend Door Actuator???

We have a 2008 Lincoln Mark LT (aka fancified F150), It has the digital climate control. We set the temp to 60 it blows cold air, but anything above 65 and it fluctuates from either cold air or 90* blazing hot air. There is no in between. When we put it on floor/defrost we can hear what sounds like little gears moving behind the gauge cluster.

I have read that on some F150s that people hear the gear noise behind the passenger side dash, and then find out it is the blend door actuator behind the air bag....but this noise is definately coming from behind the gauge cluster on the drivers side. If I swap it to just defrost the noise goes away.

Is both the gear noise and the air temp both related or seperate issues?
Thanks

-The Great
 
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Old Nov 23, 2014 | 06:04 AM
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60DRB
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Run the self diagnostic;

https://www.ford-trucks.com/forums/986532-2008-eatc-self-test.html

Likely the issue is as you suspect... related. I only recently discovered there are two blend doors in our AC systems. Supposedly the one behind the instrument cluster is a beast to change out.
 
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Old Nov 24, 2014 | 01:04 AM
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Originally Posted by 60DRB
Run the self diagnostic;

https://www.ford-trucks.com/forums/986532-2008-eatc-self-test.html

Likely the issue is as you suspect... related. I only recently discovered there are two blend doors in our AC systems. Supposedly the one behind the instrument cluster is a beast to change out.
Thanks for the info!!! I too didn't know there were 2 blend doors.

Results of codes were: B2266 Left Side Blend Door Circuit Failure

I can find info on changing the passenger side one..... but so far nothing on the drivers side... Also, what all could Circuit Failure mean? Possible fuse???

-The Great
 
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