The contact owns a 2003 Ford F-250 equipped with bf goodrich all terrain ko-II tires, size: 265/75/16. While driving various speeds, the vehicle vibrated and shook. Upon inspection, it was discovered that the front passenger and driver side tires experienced tread separation. The cause of the failure was not determined. The local dealer (discount tire, 11881 magnoliam ave, riverside, ca) was notified of the failure. The manufacturer was not notified. The dot number, VIN, and failure mileage were unknown.

- Washougal, WA, USA

The contact owns a 2003 Ford F-250 equipped with yokohama geolander tires, size: LT285/7516 (na). The contact stated that the tread was disintegrating completely. The vehicle could not be driven. The tires were not replaced. The manufacturer was notified of the failure. The dot number was not available. The vehicle failure mileage was 148,000 and the tire failure mileage was 15,000.

- Anaheim, CA, USA

The contact owns a 2003 Ford F-250 equipped with cooper discoverer atr (LT265/75/R16 dot3dw8) tires. While driving approximately 50 mph the contact noticed the steering wheel was feeling awkward. The contact stopped the vehicle on the shoulder of the road and noticed the tread separation on the front driver and passenger side tires. The vehicle was taken to a tire shop where the technicians stated the tire needed to be replaced due to tread separation. The front driver and passenger side tires were replaced. The tread on the rear driver and passengers side tires also separated causing damage to the wheel well and fender. The rear tires were not replaced. The vehicle was not repaired. The VIN was not available. The approximate failure mileage was 60,000. Updated 8/29/11 the consumer stated the other three tires were inspected and found to be ok. About three months later, the driver rear tire separated causing $3,000 damage to the truck. The consumer is using the spare tire and waiting for a decision from cooper tires. Updated 09/21/11

- Ashton, IA, USA

The contact owns a 2003 Ford F250. The vehicle has pro competition xtreme A/T tires, size 325/50R20. While driving 45 mph, the tread on the tires separated. The contact felt a slight vibration when the failure occurred. The mechanic has not yet inspected the tires. The current mileage was 88,000 and failure mileage was 80,000.

- Tamarac, FL, USA

: the contact stated while driving 55 mph the tread completely detached from the two tires on the passenger side. Another tire had a violent tread separation at 55 mph. Which caused an accident and incurred damages to the wheel alignments, fender, bumper, suspension and other parts underneath the vehicle. The vehicle was taken to a dealership, who replaced all cooper/dominator tires and repair the damages created as a result of the failure tires.

- Sahuarita, AZ, USA