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Date: Wed, 18 May 2005 17:14:46 -0600
From: Charles <cstoyernospamrpex.com>
Subject: Re: 89 900 A/C Question


The A/C on my 86 900 T went out a couple years ago. My wife's 85 900T experienced the same last year. I found that using hydrocarbon replacement worked well. It is cheap and you can put it in without having to change anthing else. It is supposed to work better than R-12; it seems to work at least as well. The down side is that it is flammable. Should a hose burst or if you run into something, there is a possibility of fire, and apparently it has happened. The up side is there is a flame retardant in it and you have less of it in your system than in a standard one pound can of propane. It seems to be a 50/50 mix of propane and butane, with a flame retardent. a six ounce can replaces a one pound can of R-12. I have found it works well and we have had no problems. If you decide to take this route, put a can in and if it works, call it good. Next time the air blows warm, put in another can. I have found the standard way of checking fill with guages and the sight glass do not work with this refrigerant. You still have to change the fittings (Checker sells them for around $12) and be sure to get the kit with 4 fittings as there are two kinds of R-12 fittings and if you get the pair only kit it might not have the ones you need. Good luck and keep cool, Charles. Monte S Minthorne wrote: > Hello, > I am new to this news group as well as a relatively new owner of 89 900 > convertible. My question if you would be so kind in answering is, has > anyone swapped out the Air Conditioner on a 900 to use the freon R-134a > instead of the R-12 that it was originally equipped with? How big of a pain > is it? Did you use a kit? Or do you just pay the $100 a pound or so for > the R-12? The A/C is currently not working but my intentions are to keep > this car as long as possible so I would like to get it working just in case. > Thanks for your time and consideration in this matter. > Respectfully - Monte > >

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