AC blows hot air.
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Joined: Sep 2004
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AC blows hot air.
I have a 1999 Expy EB with a 4.6 and 60000miles. When I turn on the Automatic temperature control it usually blows hot air for long periods of time. It rarely is consistent in blowing cold air, until I engage the rear ac. When I turn on the rear ac then the front vents will begin to blow cold air. According to R134 pressure gauge that came with my recharge kit my pressure is fine and where it needs to be. I haven't noticed the AC compressor to not run. This occurs even when I run MAX AC. Any ideas?
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