DT*: THE CONTACT STATED THE PITMAN ARM FELL OFF FROM THE STEERING GEAR BOX WHILE DRIVING 20 MPH ON NORMAL ROAD CONDITIONS, CAUSING THE VEHICLE TO SIDESWIPE ANOTHER VEHICLE. NO INJURIES WERE SUSTAINED, AND A POLICE REPORT WAS TAKEN. THE VEHICLE WAS TOWED TO THE DEALER FOR EVALUATION. ALSO, THE FRONT END SHOOK WHEN DRIVING 50 MPH FOR TWO MONTHS PRIOR TO THE FAILURE. THE MANUFACTURER WERE CONTACTED BUT THE CAUSE OF THE PROBLEM COULD NOT BE DETERMINED.