Re: Has my ac been updated?
Back in the days before all the controls were placed on refrigerant use, we were allowed to purge the system of air by performing a "sweep". This involved charging the system with a pound or so of refrigerant and then bleeding it off. The result was a reduction in air in the system simply because there was more refrigerant in the system. Back when you could get a can for 88¢ it might have made a little sense. I never did that, though. At the time, 88¢ was still quite a bit of money to me. I have a vacuum pump, anyway.
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~Steven
'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper
Simi Valley, CA
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