TL* THE CONTACT OWNS A 1996 JEEP GRAND CHEROKEE. THE CONTACT STATED THAT WHITE SMOKE EMITTED FROM THE ENGINE COMPARTMENT. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE WATER PUMP AND HEAD GASKET WERE DEFECTIVE AND NEEDED TO BE REPLACED. THE COMPONENTS WERE REPLACED BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 198,000 AND THE CURRENT MILEAGE WAS 199,400.