I've got a humming/vibration coming from what feels like my drivers front area. The MTR's i have already have a constant, slight hum/vibration to them that I am aware of. However, this only occurs between 40 - 45 miles per hour and goes away if I slow below this speed or gas it and go faster. It started happening a few days ago. Does this sound serious or could it be the tires "resonating" at a particular speed? Any help is appreciated...

 

CV Vibration?

I dunno...I have a vibration too...oh wait, thats my 174k mile engine.