Join Date: Jul 2011
Location: Monroe, Georgia
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I think death wobble would be all in the wheel to start and then turn into the entire truck shaking.
I have the exact same thing and I believe it to be a combination of wheel base and spring rate plus drive line angle. Mine is at its worse at 48 mph and does not matter if it is a steady speed, accelerating, decelerating or coasting. Mine is a "fast" vibration, like a u-joint.
What I have noticed is that it seems to be worse when the fuel tank is empty and not as bad when the tank is full. I would like to try a one piece drive shaft but can't afford the experiment to see if it fixes it.
I recall seeing a TSB about a weight that mounted to one frame rail but I can't remember what it was fixing/covering up. Maybe a dealer guy will chime in on this.
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