TL* THE CONTACT OWNS A 2003 CHEVROLET IMPALA. WHILE THE VEHICLE WAS PARKED AFTER DRIVING APPROXIMATELY TWO MILES OR LONGER, SMOKE APPEARED UNDERNEATH THE HOOD. THE FAILURE RECURRED ON AT LEAST THREE OTHER OCCASIONS. THE CONTACT ALSO STATED THAT THE CHECK ENGINE WARING INDICATOR WAS CONSISTENTLY ILLUMINATED AND OIL HAD TO BE ADDED EVERY TWO WEEKS DUE TO OIL LEAKING FROM THE VEHICLE. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 185,000. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.