TIRE TREAD SEPARATED WHILE AT 65 MPH. STEERING ERRATIC WITH MAJOR VEHICLE VIBRATION. THESE OEM FIRESTONE TIRES WERE NOT BALANCED WHEN THE VEHICLE WAS RECEIVED FROM THE FACTORY. THE DEALER'S SHOP TRIED TO BALANCE ALL FOUR TIRES AND SENT THE VEHICLE OUT FOR BALANCING AT A LOCAL TIRE DEALER WITH MARINAL SUCESS. VERY CAREFULLY PLACED, LARGE WHEEL BALANCE WEIGHTS WERE REQUIRED TO MEET MINIMUM ACCEPTANCE. MORE THAN 8/32THS TREAD REMAINED ON THE TIRE WITH AN EVEN TREAD WEAR PATTERN.*AK (DOT NUMBER: V611 B1A TIRESIZE: LT24575R16)