Re: Tractor Air Conditioner Questsion

Posted by Texasmark1 on March 26, 2012 at 07:06:41 from (67.142.175.25):

In Reply to: Tractor Air Conditioner Questsion posted by JDB on March 26, 2012 at 06:30:13:

No personal experience and I didn't do the chemistry on gas molecule size, but I have read that the molecules making up R-134 are smaller than for R-12 so they make better hoses for the new freon. With that said, one using the old hoses might experience some annual leaking that is not due to a leaking compressor seal or valve, but just the hoses themselves.

From a practical standpoint since oil circulates with the freon, one would expect to see oil where the freon seeps through the hose....unless of course the oil molecules are too large to accompany the freon.

Good luck.

Mark

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