I have a weird thumping noise coming from the front of my 07 MKZ. Can't feel it only hear it. It sounds almost like a tire with a bulge in it. Like a whump whump whump that matches the rotation of the tires. From a dead stop to highway speeds. It seems to get louder when I turn the wheel. My tire guy (ex tire guy now) told me it was road noise from the tires I had him put on the car. What a crock. Any how, does anyone have any idea what it could be. I thought maybe wheel bearing but it isn't a growl it is a thump. Also thought of cv joint but that is more of a growl so I am really stumped. Any help will be greatly appreciated.