The theory was formulated in the 1960s and 1970s as new information was obtained about the nature of the ocean floor, Earth's ancient magnetism, the distribution of volcanoes and earthquakes, the flow of heat from Earth's interior, and the worldwide distribution of plant and animal fossils.
The fact is loose control arm or track bar bushings can contribute to death wobble. Bent, or loose bolts, wallowed out mounting holes, and bent control arms can also contribute to your Jeep catching the shakes. To prevent this, keep an eye on your control arms and track bar.
Diagnosing braking problems and noises with shoes, rotors and calipers. Do the brakes fail to stop the car? If you have to step on the brake pedal harder than you want to in order for the brakes to operate normally, the brakes do stop the car.