newer F250 violent shake
I was driving on the interstate this afternoon going 70-75 and shifted over to the far inside lane due to some construction. The lane shift put traffic on what should be the far shoulder and a long s...
Forum Discussion
I've had straight front axles in every pickup truck I've ever owned, from model years 1963 thru my current 2000, and never once experienced death wobble. From these decades of experience, it is hard to believe that straight front axles are to blame for death wobble.
The difference between my straight front axle trucks, versus the SFA trucks that are on YouTube with Death Wobble, is that all of mine had/have front leaf springs, and all the ones I read about and see videos of have front coil springs.
That isn't to say that front coil springs cause Death Wobble. My GMC has front coil springs, and has never experienced Death Wobble either, and that is a truck that has been pressed into some very hard and fast service. But the GM coils came with independent front suspension, with A arms, and the front axle isn't solid.
Since Death Wobble is most often reported on solid front axles with coil spring suspension, not SFA with leaf springs, and not coil springs with independently articulating front axles... it appears as if the combination of coil springs with straight front axles requires more diligence in design to get it right, and requires tighter tolerances in the parts to survive real life road rumbles from turning into Death Wobble.
The difference between my straight front axle trucks, versus the SFA trucks that are on YouTube with Death Wobble, is that all of mine had/have front leaf springs, and all the ones I read about and see videos of have front coil springs.
That isn't to say that front coil springs cause Death Wobble. My GMC has front coil springs, and has never experienced Death Wobble either, and that is a truck that has been pressed into some very hard and fast service. But the GM coils came with independent front suspension, with A arms, and the front axle isn't solid.
Since Death Wobble is most often reported on solid front axles with coil spring suspension, not SFA with leaf springs, and not coil springs with independently articulating front axles... it appears as if the combination of coil springs with straight front axles requires more diligence in design to get it right, and requires tighter tolerances in the parts to survive real life road rumbles from turning into Death Wobble.
