SUSPENSION GOES OUT FREQUENTLY FOR OVER 2 YEARS AND EVERYTHING HAS BEEN CHECKED OUT AND FORD SAYS NOTHING IS WRONG AFTER EACH REPAIR. I DON'T UNDERSTAND THE RULES TO GETTING A VEHICLE REPLACED BUT MY CONCERNS ARE ABOVE AND BEYOND THE RULES AND SHOULD BE CONSIDERED FOR OUR SAFETY AND WELL BEING. WE HAVE BEEN IN THE SHOP AT LEAST 7-10 TIMES DURING THIS TIME. ALL GOES BACK TO SAME ISSUE - SUSPENSION IN JUNE OF 2009 WE PURCHASED A 2006 LINCOLN NAVIGATOR FOR NEARLY $30,000, WITH THE UNDERSTANDING THAT IF WE TOOK REASONABLE CARE OF THE CARE THAT THIS WOULD BE A DEPENDABLE,RELIABLE VEHICLE FOR OUR FAMILY OF 5. SINCE EARLY 2010 WE HAVE HAD NOTHING BUT ONGOING PROBLEMS WITH THE SUSPENSION SYSTEM IN THIS CAR. WE HAVE GONE NEARLY TWO MONTHS AND $4,000 IN CAR BILLS DURING THIS TIME DRIVING OTHER CARS FROM DEALERS WHILE THEY HAVE BEEN WORKING ON OUR VEHICLE. STARTED WITH BUYING A NEW CONTROL MODULE, THEN RIDE HEIGHT SENSORS, AND ON TO THE LATEST BUYING A NEW AIR COMPRESSOR. CAR BROKE DOWN ON VACATION AND THEY SAID CONTROL MODULE (WHICH WAS JUST REPLACED) AND NEEDED TO ORDER IT SO WE WOULD HAVE BEEN STRANDED IN FLORIDA FOR NEARLY A WEEK AND THIS WOULD HAVE BEEN THE 3RD NEW CONTROL MODULE PUT INTO OUR CAR. SO FORD PUMPED US UP WITH AIR AND PUT SOMETHING IN CAR FOR NEARLY $700 AND ENSURED US THAT WILL GET US BACK TO MICHIGAN SAFELY UNTIL WE COULD GET THE NEW MODULE. MADE IT 2 HOURS INTO OUR TRIP AND THE SUSPENSION DROPPED OUT ON US AGAIN. BEEN NEARLY 2 YEARS WITH THE SAME ISSUE. OUR