TL*THE CONTACT OWNS A 2003 BUICK RENDEZVOUS. THE CONTACT STATED THAT HER VEHICLE STALLS AND SHUTS OFF AT ALL TIMES. THE VEHICLE ALSO SMOKES A LOT AND THE GASKET OVERHEATED. IN ADDITION, THE DRIVER'S SIDE WINDOW DROPPED DOWN INTO THE DOOR. THE BUICK DEALER HAS HAD THE VEHICLE FOR OVER A WEEK MAKING REPAIRS. THE DEALER STATED THAT DIFFERENT FAILURES KEEP ARISING, SUCH AS THE AIR MAST FLOW SENSOR HAD TO BE CHANGED TWICE, ALONG WITH THE WATER PUMP, TIMING BELT, AND NEW THERMOSTATS WERE INSTALLED. THE REPAIR COULD POSSIBLY COST MORE THAN $2,000. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 140,000.