TL* THE CONTACT OWNS A 1996 CADILLAC SEVILLE STS. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH AND SMELLED A STRONG BURNING ODOR OF FUMES INSIDE OF THE VEHICLE. THE ENGINE BEGAN TO OVERHEAT, CAUSING THE TEMPERATURE GAUGE TO INCREASE RAPIDLY TO HOT. THE CONTACT MANEUVERED TO THE SIDE OF THE ROAD TO INSPECT THE VEHICLE AND NOTICED A SUBSTANTIAL AMOUNT OF COOLANT LEAKAGE UNDERNEATH THE DASHBOARD AND THE FRONT PASSENGER FLOOR AREA. THE VEHICLE WAS TOWED TO THE RESIDENCE. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 138,000.