TL*THE CONTACT OWNS A 2005 CHEVROLET SILVERADO 2500. WHILE DRIVING 80 MPH, THE VEHICLE AUTOMATICALLY DOWNSHIFTED TO SECOND GEAR. THE CONTACT WAS UNABLE TO SHIFT GEARS. HE TOOK THE VEHICLE TO THE DEALER AND THEY STATED THAT THERE WAS NOTHING WRONG. THE VEHICLE DOWNSHIFTED AGAIN WHILE DRIVING AND THE DEALER REPEATED THAT NOTHING WAS WRONG WITH THE VEHICLE. ANOTHER DEALER STATED THAT THE TRANSMISSION WAS BURNED. IN APRIL OF 2007, THEY REPLACED THE TRANSMISSION AT 26,102 MILES. AFTER THE REPLACEMENT, THE FAILURE RECURRED ACCOMPANIED BY A SEVERE GRINDING AND SLAMMING NOISE. THE VEHICLE THEN SHIFTED INTO THIRD GEAR. SINCE THE TRANSMISSION WAS REPLACED, THE VEHICLE HAS BEEN TO THE DEALER AT LEAST TEN TIMES. AS A RESULT OF THE TRANSMISSION FAILURE, THE CONTACT ACCIDENTALLY STRUCK A DEER. A POLICE REPORT WAS FILED. GENERAL MOTORS DEVELOPED A CASE FILE ON NOVEMBER 13, 2007. THEY CALLED THE CONTACT THE FOLLOWING DAY AND STATED THAT THE INITIAL REPRESENTATIVE WORKING ON THE CASE WAS UNAVAILABLE. THE CONTACT HAS YET TO HEAR BACK FROM GENERAL MOTORS. THE FAILURE MILEAGE WAS 20,000 AND CURRENT MILEAGE WAS 34,700.