Stan! My 19 yrs old son came back from UNT and tell me the his car having the viration and what I fine: The viration came from the front (more likely on the driver side) happen when it run more then 30-35 miles up the passter the more viration will be, only happen when I step on the brake. Check 1-the front-end all looking good 2-Brake pad are 75% life left 3-Caliper good 4-rotor good 5-Bearing good 6- Shacking the wheel for bad join or wearing out bearing and any other, look good But I'm not very sure what I check are correct and I can't seem to find any wear out part. What and where should I looking for next, Please Help.