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Q: How do I release freeon from my compressor/holding tank? on 1990 Chevrolet Astro

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The AC went out and I filled it up with too much 134 A refridgerant. Any ideas on how to correct this? Thanks!
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The proper way to correct an a/c system overfill is to empty the a/c system completely and refill it with the proper amount of 134A. There is special equipment which should be used to remove the 134A you have in the system now. With the proper equipment you can remove what is in the system now and reuse the same 134A, putting back only the amount necessary to properly fill the system.
hmmm, ok. That was a little helpfuul, I think. So now were back to the original question of how....
An "AC machine" is necessary to properly remove and add 134a refrigerant. This machine will remove the existing 134a, store it in a holding tank, and allow you to recharge the correct amount. "How to" instruction are included with the machine as they very in their operating procedures.
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