I BOUGHT A 2006 FORD XLT EXPLORER WITH APX. 17,000 MILES. I HAD IT FOR ABOUT 3 MONTHS IT HAD ABOUT 19,000 MILES. I DRIVE IT ABOUT 100 MILES TO A CONVENTION AND BY THE TIME I GOT THERE AND PULLED INTO A PARKING LOT THE VEHICLE STARTED SHIFTING HARD, JERKING AND LUNGING. IT WAS MAKING A LOUD BANGING SOUND AND FELT LIKE THE TRANSMISSION WAS GOING TO FALL OUT. I TOOK IT TO FORD, THEY DID SOME WORK ON THE TRANSFER CASE AND REPLACED A MODULE. ABOUT A MONTH AND A THOUSAND MILES LATER, IT STARTED DOING IT AGAIN. TOOK IT BACK TO FORD AND THEY DID SOME MORE WORK. THE SHIFTER LEVER WAS REPLACED. LATER IT STARTED DOING IT AGAIN. I HAVE TAKEN IT BACK SEVERAL TIMES AND THE VEHICLE CONTINUES TO HAVE THE PROBLEM. IT DOESN'T DO IT EVERY DAY BUT DOES DO IT SEVERAL TIMES A WEEK, SOME DAYS ARE WORSE THAN OTHERS. AS TIME GOES BY IT SEEMS TO GET WORSE AND HAPPEN MORE OFTEN. SOMETIME WHEN I PUT THE VEHICLE IN REVERSE THERE IS A DELAY TO ENGAGE AND ONE MORNING IT CAUSE ME TO BACK INTO ANOTHER VEHICLE. IT ALSO HAS A CRACKED RUNNING BOARD. *TR