TL* THE CONTACT OWNS A 2002 CHEVROLET IMPALA. THE CONTACT INSPECTED THE VEHICLE AND NOTICED THAT THE REAR ENGINE VALVE COVER AND GASKET LEAKED OIL ONTO THE EXHAUST MANIFOLD. A STRONG BURNING ODOR EMITTED INSIDE THE CABIN. THERE WERE NO FLAMES VISIBLE. THE VEHICLE WAS SERVICED UNDER NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 110,000.