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Similar experience...
Posted by joshua (more from joshua) on Sat, 23 Jul 2005 23:11:31
In Reply to: A/C Overcharged? ..Reason not very cold?, Yak, Sat, 23 Jul 2005 22:31:43
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I would guess, at 83 degrees, that it is indeed overcharged at 45-50. At 90 degrees, I would suggest 45 psi should be the peak.
I think you would be wise to juice it to 35-38 at 83 degrees but that is really just my guess... nothing professional there. I just recharged mine at 90 and put in 45 psi and it did make quite the difference. Originally, it was charged at 50-55 and the 5 psi did drop my output vent temp from about 60-65 to 42-47... pretty significant, I thought.
As far as draining it, you can pull anything out of your a/c system with a large vacuum tank (or pump). I believe it looks something like an air compressor and someplace like autozone might rent them out. Obviously, it is a pump that will suck everything out of your system and you can easily recharge then...
posted by 69.104.53...
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