death wobble at 55 a week after a 6 inch lift, is it the trackbar or the ball joints

first, the thing everybody gets backwards. death wobble is not caused by the thing that shakes, it is triggered by one worn or loose joint and then the whole steering system resonates. a new steering stabilizer hides it for a while and lets the real worn part keep wearing, which is why it always comes back worse. do not start there.

do this cold, truck on the ground first, then jacked. by hand, with the engine off:

• grab each front tire at 9 and 3 o'clock, wheel pointed straight, and shove in and out hard. any knock means play in the tie rod ends, the drag link, or the trackbar. this is the number one cause on your truck.
• now 12 and 6 o'clock. a knock there is a ball joint or a wheel bearing.
• have somebody rock the steering wheel a few degrees each way while you watch the trackbar axle end mount. if that bracket or bolt moves at all relative to the axle, there is your wobble. a Ram trackbar bolt hole wallows out and the whole bar gets loose, it is common enough to be the first thing i check on a lifted 2500.
• look at the trackbar itself. a 6 inch lift that used the stock bar leaves it on a steep angle, which makes it wear faster and pull the axle sideways as it cycles.

report back what has play before you buy a single part. nine out of ten lifted Ram wobbles i chased were a worn trackbar end or a loose trackbar bolt, not the stabilizer, and a good adjustable trackbar fixed them for good.

adding one that gets missed. check your tire balance and your tire pressure before you tear into the steering. a 37 that threw a wheel weight or has a belt starting to separate will set off a wobble on a lifted solid axle truck that is otherwise fine, because the out of balance tire is the bump that triggers it. not saying that is yours, dale's list is the right order, but have the tires rebalanced on a road force machine while you are in there since you just bought new ones and a shop can mount a bad one.

also, a brand new lift with a wobble inside 200 miles, check that every single fastener the shop touched is actually torqued. i have found a control arm bolt finger tight from a shop install more than once.

i will be the broken record i always am. this is why i tell people a solid axle truck and a big lift is a maintenance commitment and not a one time purchase. independent front suspension trucks do not get classic death wobble the way your Ram does, they get other problems instead. you bought into the solid axle life and the trackbar is now a wear item you will know by name for the rest of the time you own it.

not knocking it, i run 35s myself, i just want the next guy searching this to understand the shake is the front end telling you a joint is worn, every time, and the fix is finding the joint, not quieting the symptom.

good result and good that you made the shop own it. one thing worth knowing for anybody reading, this exact failure has shown up in federal complaint data on solid axle trucks, and there have been recalls over the years tied to steering linkage and the components around it on heavy duty pickups. if your wobble came out of nowhere on a newer truck with low miles it is worth running your VIN for open recalls at the government site at nhtsa.gov before you assume it is only the lift. a lifted truck can have both a tired trackbar and an open steering recall at the same time.

on yours it was clearly the install and the lift geometry, but the search engine sent me here so i am leaving that for the next person.

textbook, and i want the order written down for whoever searches "death wobble lifted" at midnight. find the play by hand before you buy anything. torque check everything a shop just touched. rebalance the new tires. then and only then, if a joint is worn, replace that joint with a quality part, and on a lifted Ram that is usually the trackbar. the stabilizer is a band aid that lets the real problem keep eating itself, so it goes on last if at all.

and get the alignment after, caster included, because a 6 inch lift that left the caster low makes the truck more likely to wobble again even with good joints. glad it was a free fix. mark it solved.