Re: High quality refrigerants??

Posted by Jon Holt on July 23, 2005 at 21:03:30 from (207.200.116.199):

In Reply to: High quality refrigerants?? posted by Hurst on July 20, 2005 at 16:39:30:

I work in the auto industry and have done a lot of ac work. I have done retrofits and the like. I use the "plain-jane" r-134 with the small can of "cool shot" in most all of the jobs that I do. I always add dye into the systems as it is easier to identify a leak with the dye than with an electronic leak detector. I have never had dye clog up a fixed orifice or an expansion valve. The dye used in the auto industry only has a usable life in the system of about 6-8 months (according to GM publications that I have read). I have also used the can that has the sealer and freon all in one. I put two cans (one in one summer, the second the next summer) in my personal vehicle as the rear evaporator connection o-ring was leaking and I could not get it apart, so it was cheaper to try that than to cut the line.

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