WHILE DRIVING AT 45-50 MPH THE VEHICLE STARTED PULLING TO THE RIGHT,STEERING WHEEL SHIMMIED, AND SMOKE CAME FROM UNDER THE HOOD. THE DEALERSHIP INDICATED THAT THE BRAKE CALIPERS HAD LOCKED UP AND CAUGHT ON FIRE. DEALERSHIP REPLACED THE CALIPERS,ROTOR,PADS ETC,. PROBLEM RECURRED. *NLM