I WAS TRAVELING IN VALENCIA ON THE 5 FREEWAY AND THE INTERIOR OF MY 2008 MAZDA CX-7 FILLED WITH SMOKE TO THE POINT WHERE I FOUND IT DIFFICULT TO DRIVE. I PULLED TO THE EXIT (MAGIC MOUNTAIN PKWY) AND PULLED TO THE SIDE TURNING OFF THE ENGINE. AFTER SEVERAL MINUTES I LIFTED THE HOOD TO FIND THAT THE ENGINE WAS STILL SMOKING AROUND THE BELT AREA. I WAS ABLE TO GET THE CAR TO FIRESTONE NEWHALL, CA WHERE THEY ARE STILL LOOKING AT IT. VERY DANGEROUS SITUATION. THE AC COMPRESSOR SEIZED CAUSING THE BELT TO FIRE AND ALMOST CATCH FIRE. AFTER FURTHER RESEARCH I HAVE FOUND THAT THIS IS A COMMON AND DANGEROUS PROBLEM WITH THIS MAKE AND MODEL. *TR