Hello, I just returned from a long north to south trip and experienced heavy road noise when the steering wheel was turned slightly to the right. The noise went away when I turned the steering wheel slightly to the left. I experienced this at both low speed (30 - 40mph) and high speed (60 - 70mph+). The vehicle is a 2004 all wheel drive Ford Explorer with 145K miles and I've owned this vehicle since new. Most of the miles are highway miles. And since I just got back from my trip I have yet to contact the dealer but wanted to get your opinion first. Could this be a wheel alignment issue? BTW, the tires have only 10K miles on them. Thank you in Advance.