AC UNIT RELEASED A GASEOUS SMELL., SMOKE GUSHED OUT FROM HOOD....THERE WAS A LOUD POP SOUND THAT RESEMBLED A TIRE BLOWING OUT....THE COMPLETE SYSTEM TO MY CAR SHUT DOWN AND ENGINE INCLUDED. THE CAR WOULD NOT RESTART FOR APPROXIMATELY 4 HOURS.....AND THAT WAS ONLY AFTER I HAD SPENT 165.00 ON A TOW TRUCK TO TOW THE CAR OVER 75 MILES. *AK