I have a 2002 WRX jsut bought it a few weeks ago. when i checked it out at the dealer the AC wanst blowing cold. they recharged the AC system and checked for leaks. i have notived at times there is a stream of fog/condensation coming out of the vents. sweat does not build up on the outside of the vents just streams out in a little cloud. is this a problem????? its doesnt seem to matter how high i have the AC cranked it has happened at all fan speeds.