Question about 1999 GMC Sierra
My a/c will sometimes work and stop working at times only hot air will come out thru vents
You are low on freon. You may have a small leak in system. Go to auto parts store and by a refill with seal in it. It comes with gage attacked that tells you when system is full. This should solve your problem unless compressor is failing. But this sounds like low freon.
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
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