My wife unknowingly drove on a flat tire. After I collected her and the car, I took the tire to sears and they said the valve stem failed. The tire was replace but I had to pay for it. Months later, she had a nail in a tire so I took the car back to sears. They patched it, and a week or so later it was flat again. When I took it in, I noticed another tire was flat and that had a bad valve stem. So, now 3 of the original valve stems had been replaced. Last night, she had another flat tire, I changed it, and it was the remaining valve stem. I bought the tires at sears and complained after the second valve stem that there was a problem. The manager said that my wife must be driving up on curbs. I checked the dates and the tires were installed right in the middle of the recall period. Sears is not handling this problem well--they are putting people on the road with defective valve stems. I did not know officially that there was a documented problem until I returned from sears this morning and did some checking on the internet.

- Alexandria, LA, USA