WHILE DRIVING ON I-4 IN ORLANDO 12/7/00 AT 70 MPH TREAD SEPARATED FROM OUR RIGHT REAR TIRE. I WAS ABLE TO KEEP THE CAR UNDER CONTROL AND PULL INTO THE MEDIAN, BUT BY THEN THE SEPARATED TREAD HAD BEAT THE CAR UP. I AM FILING A DAMAGE CLAIM NEXT WEEK WITH FIRESTONE, AND YESTERDAY REPLACED ALL OF THE TIRES WITH GOODRICHES. THE FOUR YEAR OLD TIRE THAT FAILED HAD 52,00 MILES ON IT AND WAS WARRANTED FOR 60,000. THERE WAS NO UNUSUAL TREAD WEAR PATTERN. THE MANAGER OF THE FIRESTONE DEALERSHIP IN WINTER PARK, FL INSPECTED THE TIRE AND AGREED THE TREAD WAS IN GOOD CONDITION, AND THAT THERE WAS NO WAY TO HAVE FORSEEN THAT THE TIRE WOULD FAIL BEFORE THE WARRANTED MILEAGE OCCURRED. HE DECLINED TO REPLACE ANY OF MY TIRES FOR FREE, ONLY OFFERING A 13% PRO-RATA CREDIT TOWARDS A NEW PURCHASE. MY OFFICE # IS 407-237-4851. I WILL PROBABLY MAIL THE TIRE TO FIRESTONE ON 12/18/00 AFTER PHOTOGRAPHING IT.*AK (DOT NUMBER: EJREDJD154 TIRESIZE: 20575R14)