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Re: Coupe Quattro 90 air conditioner question.
On Thu, 14 Sep 1995 LToy@aol.com wrote:
> close up the system and recharge. Pulling a vacuum on the system before
> recharge won't get the moisture out of the thing. This may be what's causing
Sure it will. The whole point of pulling the vacuum is to get rid of the
moisture. Remember our pressures and heat of vaporizations? Neither do I,
but thats not the point! :) THe lower the atmospheric pressure in a
system, the lower the boiling point of water. So if they get it down to a
few mm hg, the water will literally boil away, even at ambient temps.
I beleive the vacuum must be held for 4 hours or something like that.
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