Quote Originally Posted by borzoimom
I am not really sure but in my experience shaking at a certain speed is a wheel alignment.. Shake how? Like the engine- or the wheels? I am assuming since you said you checked the tires, you thought it had something to do with the tires..
I thought the tires were flat. My whole car was shaking. My steering wheel, the windows, even my seat. I felt like I was on an old wooden roller coaster.

I hope it's just an alignment. Thanks for your thoughts folks!