Air conditioning problem with 2005 signature town car. Does not blow cool air. Have added freon several times; witl work for a day or two but then the same thing. Mechanics can not find leak.
If you somehow got hold of R-12 Freon, that is the problem right there. It uses R134a. If you mistakenly wrote Freon, meaning R134a, make sure the mechanic knows what he is doing, with the proper equipment and dyes. A simple visual inspection will tell you nothing
Read up here: good article http://www.denlorstools.com/autoblog/2011/07/finding-refrigerant-leaks-car-ac-tips-from-denlors-tools/
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