Posted on 11/28/2025
A steady vibration at 55 to 75 mph can turn a normal drive into a tiring one. Highway shake usually traces back to wheels, tires, or rotating parts that are slightly out of spec. Finding the real cause early protects suspension parts, keeps braking smooth, and saves tread life. What “Highway Shake” Usually Feels Like Most drivers notice a buzz in the steering wheel, a hum through the seat, or a mirror that blurs at certain speeds. If it appears only while braking, the issue is usually rotor-related. If it happens at a constant cruise with no brake input, think wheels, tires, or a rotating driveline part. A shake that worsens on curves can also hint at a wheel bearing. The Most Common Problems Wheel balance slightly off: Missing or shifted weights make the wheel hop at speed. Tire problems: Cupping from worn shocks, a slipped belt, or an out-of-round casing will thump or drone. Bent or cracked wheel: Even a small flat spot from a poth ... read more