Tl* the contact owns a 2012 chevrolet impala. the contact stated that the vehicle hesitated while attempting to accelerate. the stabilitrak warning indicator illuminated. the vehicle was taken to the dealer where it was diagnosed that the front wheel bearing and hub assembly caused the failure and needed to be replaced. the vehicle was not repaired. prior to the failure, the vehicle was repaired for the same failure. the manufacturer was notified of the failure. the failure mileage was approximately 34,000.