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Old 06-21-2009, 07:32 AM
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Tod74
Senior Member
RACING JUNKIE
 
Join Date: Sep 2007
Posts: 4,137
Default do it yourself AC charge.

First off I know little to nothing about AC REPAIR

2000 CHEVY 1 TON DUALLY
I just had my ac charged last week by my uncle who has the proper gauges and all that. He pointed out the spot he thought was leaking. It worked great,but it is now warm again..so I assumed it had leaked out.I bought one of those cans of 134a that comes with a gauge on it.I tried to put it in the low side but the ac never got cold and the can still feels pretty full...but going by this gauge I think I may have overcharged it.
I can see the clutch on the front of the compressor kicking on and off. When the gauge is hooked up and the clutch is not spinning,the reading is way overcharged and in the red...when the clutch (or whatever that thing is.. ops: on front of the compressor)kicks in and starts to spin,the reading drops way down into the green,indicating low charge..which is like 15 psi on gauge. Here is my questions. Which reading do I use? Why won't it get cold? If I have overcharged it, what should I do now? Can I just crack a line or what? I know that to properly work on it it needs to be evacuated by a shop. Also, when the compressor kicks in it is only for a couple of seconds then it stops for a few seconds then back on again
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