PE00 020; CONSUMER WAS TRAVELING ABOUT 60MPH ON HIGHWAY AND HEARD A FLAPPING NOISE HITTING UP AGAINST VEHICLE. DRIVER'S SIDE FRONT END TIRE HAD TO BE REPLACED. FIRESTONE, WILDERNESS, P2257014, AND #DOT W2FC. HE HAS CONTACTED FIRESTONE.*AK THE CUSTOMER NOW HAS TIRE SEPARATION ON REAR TIRES ALSO. *YH