Hey has anyone ever had to replace a front wheel bearing on their car. I think mine are goin, sometimes, usually when the car is warmed up, or driven at least 10 miles i start hearing a droning sound coming from the front. It sounds about half as bad as my mom's old mercedes did when its front wheel bearing went, but it still has some of the same sound. Anyone know how much one of these would be to have replaced, or does anyone have expirence with these types of sounds being something other than a wheel bearing? thanks