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#1
08-13-2005, 12:57 PM
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AC suddenly Blowing Hot air
My '92 Buick Regal AC was working fine while I was driving one day and then suddenly started blowing hot air. Now when I drive it will blow cold for about 2 seconds then blow hot again.
I checked the hoses & belts and all are intact. I did notice some oil in the overflow container, but I had that before and had it flushed. It never caused AC to blow hot air. Any idea what is causing that? Last edited by rocknrenee; 08-13-2005 at 01:29 PM. 
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#3
08-15-2005, 10:56 PM
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Re: AC suddenly Blowing Hot air
Like HOTZ28 said , first check the freon...you can get a gauge pretty cheap....more important....oil in the reserve sounds like a serious problem...Check the motor oil and make sure it doesnt have foam in it... maybe a bad head or gasket?
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#4
08-22-2005, 08:01 PM
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Re: Re: AC suddenly Blowing Hot air
Quote:
Is that still a systom of "no freon"?
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#5
08-22-2005, 08:03 PM
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Re: Re: AC suddenly Blowing Hot air
Quote:
No water in the oil, and I change the oil 3 to 4 times a year, but before I could check the freon the AC started working again. It worked for 3 or 4 days then started with the lukewarm to warm air again. Is that still a symtom of "no freon"?
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#6
08-22-2005, 08:22 PM
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Re: AC suddenly Blowing Hot air
Do you have auto climate control? You could have a vacuum leak or a blender door actuator malfunction. When the air started working again, was it cold as it should be?
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#7
09-06-2005, 12:08 PM
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Re: Re: AC suddenly Blowing Hot air
Quote:
rocknrenee
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