possible ac issue?

2001 Dodge Dakota...
Recently, I had a standard flush done on my truck's AC system. Now, when the AC's off, even if it's not particularly warm out, and the
truck's not warm, and the dial's all the way over to "as cold as it can" if I turn the fans on we'll get warm/heated air out of the vents. This didn't happen before it went into the shop. Other work was done at the same time, but afaik it wouldn't have affected the AC/heat (tie rods, ball joints).
Is it possible they screwed something up? What? These are Daimler Chrysler folk, more used to Jeeps, as they're Australian and Dakotas aren't made here.
I like the shop, and don't want to go in with this unless there's a real possibility they've made a mistake.
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On Thu, 17 Aug 2006 21:40:28 +0930, jmc

Why did you even have it flushed??? First thing to do is to have the charge level checked and see if compressor is cycling properly. A A/C is pretty generic in function so they do not have to be model trained here, only A/C trained. ----------------- TheSnoMan.com
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wrote:

I've never heard of a "standard flush" for an air conditioner either. I'd find a new mechanic, this one screwed you.
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wrote:

It falls in the same category as topping off the blinker fluid and replacing the muffler bearings.
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wrote:

Oh yes "muffler bearings" I have not heard that one for many years. ----------------- TheSnoMan.com
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Before you jump to conclusions, I suspect JMC had the "cooling system" flushed which is sometimes confused by owners with the A/C system. They are two separate systems. Typically, a cooling system flush won't affect the A/C system unless a vacuum line was disturbed inadvertently. The control system is operated by engine vacuum and if a line was disturbed or broken it could cause this symptom. I recommend returning to the shop and mention that this prob was not occurring prior to their service and ask 'em to check it out. A reputable shop won't mind at all since most shops recognize that there is a possibility of an error on their part.
Mike
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Suddenly, without warning, Mike Simmons exclaimed (18-Aug-06 8:15 AM):

Mike, thank you. It was indeed a cooling system flush. Just don't know my terminology. The system hasn't been used hard for the last three years, and will be used very hard this year. It wasn't particularly warm in the UK, and gets very, very hot here.
It's mostly been the spouse that's been complaining. My personal opinion is it just *seems* to be a problem, because in the UK we normally had it on window only and heat, as they tended to fog up quickly otherwise. Here, we're using the normal vents.
Please, forget I asked.
jmc
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If the discharge temp is only slightly elevated above ambient, then this is probably normal. The outside air comes in thru the cowl and is warmed by the mass of the body and HVAC housing and seems to be heated. After driving for a while the body mass and HVAC housing cool to near ambient and the discharge temp is less noticeable.
Hope this helps!
Mike
BTW, ask anytime ;^)
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Suddenly, without warning, John Kunkel exclaimed (18-Aug-06 5:55 AM):

There's a country singer (can't remember who though) who sings about this, but for the life of me I can't remember who, or find the song. Someone recent. Keep thinking it's George Strait, but can't find it there either. ANyone know? He sings about the water pump being a quart low, etc, and it'll be fixed for, oh, $800?
jmc
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jmc wrote:

http://www.onlylyrics.com/song.php?id '974
--
Ken


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Suddenly, without warning, Nosey exclaimed (18-Aug-06 8:06 PM):

Yup, that's the one, thanks!
jmc
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wrote:

Alan Jackson... Mac
https://home.comcast.net/~mac.davis https://home.comcast.net/~mac.davis/wood_stuff.htm
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Wallet flush?
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