Needing some advice on possible causes for continued vibration in steering wheel while after multiple alignments. Beginning in July I felt some vibration in the steering while both at low and definitely at high speed. I've taken it to 2 different Firestones (lifetime alignments) and even the dealership. The latest alignment and balancing showed I had positive camber in both front heels. They fixed it but a couple days later same problem. I had the right wheel bearing replaced in March. I did noticed that my tires were over inflated and were at 40 psi (stock sized SE Yokohama Geolander HTS). Could it be the wheel bearing again? I don't think its the struts cause I replaced them last year with Monroe Sensastracs. Additional info on my X is that its a 2wd SE with the stock 17s. Did have it up in the NC mountains off road up 60 degree gradient but vibration not this bad. I trust the dealership cause I know their alignment guy pretty well. Hope its not the axle, wasn't rock crawlin!