2004 - 2008 F-150

Noise from Dash

 
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Old 09-24-2014, 02:46 PM
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Noise from Dash

I have a noise that is created whenever I set the autotemp. At different times I hear a low level grunting. Almost sounds like an air damper is attempting to rotate and needs greased but I wouldn't even know where to start.

Anyone out there have this or fixed it?
 
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Old 09-25-2014, 08:15 AM
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Might want to read up on Blend Doors...
 
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Old 09-25-2014, 08:24 AM
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Blend door motor. I don't have autotemp, but mine makes the loud clicking when it is on full cold setting. If I back the temp off slightly, it does not do it.
 
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Old 09-25-2014, 09:36 AM
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"blend doors".

Thanks guys.

I'll do some research and if I can I just want to hit with some silicone spray or something to make it last longer.
 
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Old 09-25-2014, 11:37 AM
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Originally Posted by Dman81 View Post
I'll do some research and if I can I just want to hit with some silicone spray or something to make it last longer.
To get to it you need to either cut the plenum box under the dash or remove the dash. Major PITA for either.
 
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Old 09-25-2014, 01:53 PM
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Yeah, I've been doing research. Dang. It doesn't bother me I'm just afraid something is wearing out. But if it takes that much, let it wear out and break. *THEN* I'll take care of it.
 
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Old 10-02-2014, 06:54 AM
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If you have the "auto temp" A/C, you can run this diagnostic check;

http://www.ford-trucks.com/forums/98...self-test.html

If the blend door actuator/motor is bad, you can replace it without removing the dash. Remove the radio and the glove box to access the part. The spaces are small, and it's tedious [screws are hard to get to], but the motor can be replaced in about an hour or so.
 
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Old 10-02-2014, 07:10 AM
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Originally Posted by 60DRB View Post
If you have the "auto temp" A/C, you can run this diagnostic check;

http://www.ford-trucks.com/forums/98...self-test.html

If the blend door actuator/motor is bad, you can replace it without removing the dash. Remove the radio and the glove box to access the part. The spaces are small, and it's tedious [screws are hard to get to], but the motor can be replaced in about an hour or so.
There is a blend door on the drivers side also, This is the one that requires removal of the Dash or surgery to the plenum box.

The passenger side can be done if you have the hands of a 5yo...or a lot of patience....been there done that.
 
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Old 10-02-2014, 07:27 AM
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I did not know there were two of them. Here's a general info video for the "easy" one. This guy does a lot of good "how to" videos, and says he'll have one for the driver side blend motor soon.

 
 


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