PE00020; WHILE DRIVING 65 MPH ON THE INTERSTATE TREAD ON REAR DRIVER FIRESTONE WILDERNESS TIRE (P235 75 R15) SEPARATED. THESE WERE THE ORIGINAL TIRES PURCHASED ON A 1997 FORD EXPLORER. PLEASE PROVIDE ADDITIONAL INFORMATION ABOUT TIRE SIZE, DOT NUMBER FROM TIRE, AND VEHICLE IDENTIFICATION NUMBER. *AK THE TIRES DOT # IS VDHL1PY137.