I've got this weird problem occuring intermittently with the A/C on my 85K+ car. I'll be driving and the A/C seems to start blowing hot air from the outside (I'm in Texas so I do mean HOT air!)<p>This has happened intermittently 4-5 times in the past 5-6 weeks. The switch still shows the A/C on, and the fan is on. I've tried shutting off the engine, waiting a bit, and restarting to no avail, but once I park the car for even just 10 minutes, it'll start back up fine blowing nice cold air.<p>The battery is less than a year old, and the thermostat registers normal.<p>Any ideas?