TL* THE CONTACT OWNS A 1999 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, HEAVY SMOKE EMITTED FROM UNDER THE HOOD OF THE VEHICLE. THE CONTACT PULLED OVER AND EXITED THE VEHICLE. THE CONTACT MENTIONED THAT ON ANOTHER OCCASION, HEAVY FUMES OF SMOKE WAS NOTICED COMING FROM THE EXHAUST OF THE VEHICLE. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS INCLUDED NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 138,000. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.