Start with balance and tire inspection. If good check worn steering components like tir rods, ball joints. Also weak struts will cause vibration at higher speeds.
Oct 21, 2009 at 3:07 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.