Electrical HELP PLEASE! A/C Blowing hot air!

Mustangguy85

New Member
Jun 19, 2020
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Salem, or
I have a 2005 Ford mustang v6. My A/C blows only hot air. Took it to a shop and they told me to go buy freon. So I just bought 20oz A/C PRO. says that it's full. So I got my hoses and everything checked for leaks and what not. Everything is the way it's supposed to be. What else can be the issue? With a black on black car. And no A/C sucks. I don't have the money or access to a pump either. IDK WHAT TO DO!! Please help. Thx!!
 
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7991LXnSHO

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Sep 1, 2010
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As you have found out, there’s more to it than topping it off. There are high and low pressure switches in most newer systems. Is the compressor engaging? The Expansion valve could be clogged, making the high side full but not low side.
I hope there is a tech write up for this generation like there is for the Fox. Otherwise, a different shop is a good idea.
 

cbxer55

Active Member
Jan 25, 2020
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Oklahoma
I know on my 98 Ranger, which has the same problem, it's a broken blend door. Under the sash. Major PITA to fix. Hence I left it alone. I never used the ac anyways. Prefer driving windows down.

Don't know if the Mustang uses the same system. But it's a common thing, when it breaks you either get all hot or all cold, depending on where it was when it broke.

 
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