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Middle 2 A/C Vents Not Working?

 
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Old 11-06-2011, 01:28 AM
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Middle 2 A/C Vents Not Working?

They only come on sometimes, I have no idea why. Feet always works though. What could be the issue?
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Old 11-06-2011, 08:20 AM
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Re: Middle 2 A/C Vents Not Working?

I am having the same problem. I think it is going to be the solenoid that controls the air box. Taking the dash apart today to find out.
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Old 11-06-2011, 08:23 AM
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Re: Middle 2 A/C Vents Not Working?

the soldering points on the control unit are starting to show their age. If you're a do-it-yourselfer, you can remove the AC control unit, take it apart and touch up the cracked/cracking solder ("sodder") points. I bet if u pound on the dash around the AC controls, or hit the ac controls itself, it'll switch.


But essentially you're electrical contacts on the printed circuit board are seperating, and the signal to switch the blend door isn't going through. Replace the AC control unit/control head, air distribution should work with a good one in there
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Old 11-06-2011, 02:08 PM
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Re: Middle 2 A/C Vents Not Working?

Mines is doing the exact same thing too. Let me know if anyone fixes this. And if they do hopefully a DIY comes up for it
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Old 11-06-2011, 02:43 PM
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Re: Middle 2 A/C Vents Not Working?

Quote:
Originally Posted by ShoofIsLudin View Post
the soldering points on the control unit are starting to show their age. If you're a do-it-yourselfer, you can remove the AC control unit, take it apart and touch up the cracked/cracking solder ("sodder") points. I bet if u pound on the dash around the AC controls, or hit the ac controls itself, it'll switch.


But essentially you're electrical contacts on the printed circuit board are seperating, and the signal to switch the blend door isn't going through. Replace the AC control unit/control head, air distribution should work with a good one in there
Thanks man. I didn't want to have to solder anything :(
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Old 11-06-2011, 03:02 PM
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Re: Middle 2 A/C Vents Not Working?

price a new hvac controller then get back to me and we can discuss the cost of repairing it correctly.
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