TL*THE CONTACT OWNS A 2003 WORKHORSE CHASSIS W22. WHILE DRIVING APPROXIMATELY 35 MPH, THE FRONT BRAKES LOCKED AND THE BRAKE PEDAL EXTENDED COMPLETELY TO THE FLOOR. AS A RESULT, THE BRAKE UNIT BEGAN OVERHEATING AND THE VEHICLE BEGAN TO SMOKE. THE CONTACT TOOK THE VEHICLE TO THE DEALER, BUT THEY COULD NOT IDENTIFY A SOLUTION OR PROVIDE A REMEDY. AS OF AUGUST 6, 2008, THE VEHICLE HAS NOT BEEN PROPERLY REPAIRED. THE FAILURE MILEAGE WAS 16,000 AND CURRENT MILEAGE WAS 24,130.