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Blend air door intermittently sticks on full heat mode?

Tiny
GALEN MAX CLARK
  • MEMBER
  • 2007 MERCURY MOUNTAINEER
  • 4WD
  • AUTOMATIC
  • 92,000 MILES
If I change temperature from hot to cold back and forth several times I can get to cool. It used to make a squeaky scraping noise when I put the key to on but makes no noise when it gets stuck. I can't seem to find the location of the motor on this vehicle. Thanks, Max
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Thursday, October 20th, 2022 AT 1:52 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,128 POSTS
Hi,

On this vehicle, there will be two, one for the driver and one for the passenger side. If you look at pic 1 below, it shows their locations.

The remaining pics are the directions for replacing both of them. Additionally, here is a link that explains in general how it is done. Once the actuators are located, I find it easier to follow. LOL

https://www.2carpros.com/articles/replace-blend-door-motor

Take a look at the pics below and let me know if they help or if you have other questions.

Take care,

Joe

See pics below.
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Thursday, October 20th, 2022 AT 8:38 PM
Tiny
GALEN MAX CLARK
  • MEMBER
  • 2 POSTS
My Mountaineer looks like this. Thanks
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Thursday, October 27th, 2022 AT 11:41 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,128 POSTS
Hi,

That looks correct. I copied your pic and circled what I believe to be the actuator.

Let me know.

Joe

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Thursday, October 27th, 2022 AT 5:33 PM

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