Regular scheduled maintenance is the best way to
insure your vehicles systems are working properly. Another way to
keep Air conditioning running good is to use it.
Symptoms that your air Conditioning needs
maintenance - No Cool Air
That is pretty much it. If there is a little cool
air coming through you may have a low refrigerant charge or a slow
leak in your system, among other things. If no cool air is coming
out, a bad compressor, broken drive belt or maybe a blown fuse could
be the problem.