I own a 2003 lexus gs 430 vehicle. During the time that I have owned this vehicle, I continue to experience vibration and brake and wheel wear on the front end assembly. The dealership has aligned the front end and changed tires, but the problem is repeating. I believe that the vehicle is improperly designed either to accept 17 in. Tires or to handle a 4.3 Liter engine. The dealership insists that all you have to do is rotate tires every 5,000 miles and there is no problem, but this is not the case. As a...
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result of the run-out and out of balance condition in the front end of the vehicle, the braking is unrepeatable, and, I believe, causes a sever safety concern. The problem happens within 3,000 to 4,000 miles of an alignment. I believe that this problem is endemic to lexus gs 430's with 17 inch tires and believe that the dealership is not interested in confronting a design problem. I am asking that this be investigated. I also intend to contact toyota directly. *La