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Unread 07-11-2009, 12:38 AM   #1
eboyer7
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1995 ZJ 
 
Join Date: Jun 2009
Location: BC, Canada
Posts: 14
Releasing R12a From A/C System

Hi. I recharged my A/C system a few weeks ago, but I overcharged it slightly (I charged it up to 45 psi, which is the border line between acceptable and too high, according to Duracool). So I have three questions: Will this cause any problems if I keep it at this high of a pressure? And, if I do have to lower the pressure can I just release some of the R12a that I used for the recharge into a paper towel or something and throw that out? The system was completely empty before the recharge, so there's only R12a in there (no R12 or R134a). And, the can of R12a says it's a natural coolant that isn't ozone-depleting, so I'm guessing it'd be alright to release it myself? Also, what kind of problems would occur if the system had been overcharged any further, like 60 or 70 psi?

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Unread 07-11-2009, 01:43 AM   #2
WiCkeDuDe
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2002 WJ 
 
Join Date: Dec 2007
Location: Utah
Posts: 3,091
Overcharging is hard on the compressor and can cause leaks in the system more easily. Basically is just harder on the system and can lead to a less efficent cooling status. At 45 pounds your right in the middle. This should not cause an issue but you could release some pressure. I think my jeep was right around 25-30 pounds at max ac.
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Unread 07-11-2009, 07:11 AM   #3
sdowney717
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1998 ZJ 
 
Join Date: Apr 2009
Location: Virginia
Posts: 700
it is a mix of propane and iso butane. People release this into the air everytime they light a gas grill.
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