Tire Tread/belt problems of the 1997 Mercury Tracer

Upon inspection the tire had uneven wear and there was a crack down the center of the right rear tire which was causing noise while drivng over 35 mph (bf goodrich advantage plus 185/65/14 dotbf76tu1135). Nlm.

While driving could feel tires vibrating. Then, took vehicle to dealer , and dealer found out that right front tire was having a tread separation. Firestone respond p185/65 r14. Firestone p185/65/r14.

Si, p185/65r14, dot unknown, replacement equipment with 7000 miles on a 1997 Mercury, Tracer. While driving 70 mph there was vibration and a loud noise. Long piece of tread had come off left rear tire. Did major damage to vehicle.