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Old 11-06-2010, 07:32 PM   #61
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I'm no expert on death wobbles, or anything on Jeeps, but I have been working on vehicles since I was 10 and my city truck does that as soon as you hit 40 mph, Its a GMC 3500 stake body and they found out the drag link on all the city's GMC3500's were too small for the truck, so whenever a tire gets even one ounce out of balance the entire front end is in danger of breaking apart worn bushings, structural parts or not.

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Old 12-05-2010, 08:33 PM   #62
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Used to get death wobble on an old VW beetle. Root cause was play in the steering box. It is scary! I would agree with the harmonics idea. Loose steering components also allow the wobble to take off. I am glad that my TJ has not had this happen.

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Old 12-06-2010, 06:30 PM   #63
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As of today I don;t know what a death wobble will do to a Jeep, but I found out the hard way today what the do to a GMC 3500, the steering all of a sudden got so bad going through the yard that we jacked it up in the shop and the whole lower control arm fell out from under the truck, I thank God I wasn't around any children on school grounds when THAT happened.
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Old 12-07-2010, 02:19 PM   #64
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it's ball jionts that causes this best thing to do when it happens is to let off gas and apply brakes slowly i've had this happen in my '80 amc and my '91 cheerokee repalecde ball jionts and never had it happen again
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Old 12-24-2010, 09:18 AM   #65
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Quote:
Originally Posted by QtMcShorty View Post
I am not gonna lie, this whole post gives me paranoia diarrhea.......
Totally putting that in my signature.
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Old 12-24-2010, 11:39 AM   #66
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Also guys a drag link thats to small for the tires flexing back and forth can cause wobble, basically anything in the front end that isn't right can cause a wobble. Except out of balance tires, that causes a bounce,.
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Old 12-26-2010, 10:10 AM   #67
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As others have posted this problem is not just limited to Jeeps. I had a 91 GMC 1/2 ton 2wd with 31x10.5x15 on alluminum rims that would get this, replace the pitman arm and re balance the tires and i was good for another few thousand miles.

This is a problem with the Dodge 2500/3500 Cummins trucks as well and you can go to turbodieselregister and read a whole days worth of problems and solutions on that board about the wobble. I did not have the problem with the 04.5 Dodge I owned (stock only) and only have 5,000 miles on the new one (stock only).

It looks like it doesn't matter if you have stock only or modified vehilces either, you might get the wobble or you might not.

Dont let this problem scare you away from owning a Jeep or any other vehicle for that matter, or you will riding public transportation the rest of your life
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Old 12-26-2010, 11:33 AM   #68
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Real Joy your completely correct, I'm47 years old and I have had or heard a death wobble in everything except my jeep, I'm thinking its because of my tire size ( 235/75/15) but I don;t count it out, I remember back when I was a kid I had a Murry F-1 Eliminator and the front wheel axle was loose enough it wobbled when I took it through the neighborhood. Which tells me that ANY vehicle can develop a death wobble.
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Old 12-29-2010, 01:42 PM   #69
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I have a 2008 Jeep wrangler unlimited X
I have had the tires rotated twice
replaced U-joint
replaced tie-rod
replaced three steering dampers

30000 miles and still under warranty but I dont think I want it anymore it is unsafe for me and my young family. Dealership and Chrysler wont admit they cant fix. I dont know what to do. Everything Ive seen and read tells me its not all jeeps. I think mine is defective and I want it replaced. Does anyone know who the regional rep is for Massachusettes and How do I contact? Any info would be appreciated
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Old 01-01-2011, 09:43 PM   #70
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I have seen so many posts on death wobble and it is just accepted at part of the characteristics of a straight axle. It really sounds sad to hear you all talk about it in your vehicles like it is the common cold or something . Dont; accept this death wobble!!!!!!!

I stated in many past posts, that death wobble should not be tolerated by any owner.

The proper thing to do is to email the NHTSA and complain about the issue.

http://www.nhtsa.gov/Vehicle+Safety

The NHTSA will, from what I understand, only look into any problem or safety concern if there are COMPLAINTS that they can go to Jeep about and say "Hey What is the problem with this DEATH WOBBLE?"

If you feel better, email Jeep themselves. http://www.jeep.com/webselfservice/jeep/index.jsp

And it would be kind of bad business and a little illegal if your insurance company or Jeep used a complaint against you.

The problem will not be solved by accepting it as part of the Jeep experience. Jeep will not take away the D44 or straight axle, there is a great following they don't want to lose. They will only IMPROVE the axle and steering components.

Ahhgh it is soo frustrating hearing of this. I am IFS now, but in the past I had driven GMC straight axles for 15 years and had NEVER had a problem.
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Old 02-14-2011, 10:04 PM   #71
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It happens on stock. I have only stock tires, no lift kit. '07 wrangler X. Every time I hit a small bump and I'm turning a little- sudden DW!!!!
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Old 02-16-2011, 09:57 AM   #72
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Quote:
Originally Posted by frmertd View Post
It happens on stock. I have only stock tires, no lift kit. '07 wrangler X. Every time I hit a small bump and I'm turning a little- sudden DW!!!!
Oh come on... I'm planning to buy my unlimited next month... How on earth can a stock vehicle behave like this... Something's got to be wrong!! I'm not willing to just bare with this sh... If there's no logical explanation i'll just say goodbye to the idea of a JK...
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Old 02-16-2011, 12:00 PM   #73
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To be honest guys I completely thank all of you as I thought I was going nuts. I found this article yesterday, Death Wobble and How To Cure it
that gave me the loved name of "death wobble" and as soon as I saw the name I about yelled "THAT'S IT!" and it does scare the ever loving bejesus out of you. So bad that I actually got pulled over by an off duty cop from another city because he was afraid I was going to cause an accident and had to get the beast towed home. Ball joints (all 4 upper and lower) replaced, new tires, front end allignment well yesterday it was back and I couldn't get above 40 MPH and it happened 5 times in 15 miles having to stop completely each time.

I love the jeep (2007 black tie edition straight off the showroom floor with 78 miles) no modifications. Needless to say I am deciding getting rid of it tonight, I may buy a 2011 in hopes that the problem has been resolved but more than likely my beloved "tux" is going to get traded in and become someone elses problem.
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Old 02-17-2011, 07:50 AM   #74
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The dealership has had eleven (11) attempts to fix. Im done being a test dummy. I spoke with chrysler and they will not admit there is a problem. They wont even let me send them info on the problem. I was told their technicians know all there is to know. He even suggested it was the roads fault. Im done with this and have filed reports with every agency I can find. My lawyer says we have a very strong case. If you have this problem. File complaints with all the consumer groups and retain a lawyer. Im currently trying to get the medias attention. I would love this story to air right before one of those new chrysler commercials.
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Old 02-17-2011, 02:57 PM   #75
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is your Jeep stock? Cause if you've changed even the tire size the dealer can wiggle out of any lawsuit and put the entire blame on you.
I tore my Jeep front end apart today and I'm inspecting everything and replace anything that isn't right or I even suspect isn't in prefect condition, once I put it back together it goes for a complete alignment.
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Old 03-06-2011, 08:49 PM   #76
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Hahaha. Every time I hit 58mph , I get it just for a sec so I just push through it, after I get up to 63-65 its gone. Its like the Delorean, exact speed evert time.
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Old 04-29-2011, 11:33 AM   #77
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I have been looking at getting a Jeep unlimited and I've seen this DW problem on stock Jeeps listed SEVERAL times on various places on the internet.
I'm hoping this problem gets resolved by the factory as I'm watching this problem closely before buying. Even if it's something an aftermarket part could fix I can live with that. Chrysler front ends are notoriosly loose as I've experienced with my old Dodges and Plymouths.
My old Dodge Diplomat used to get the death wobble.

I've also read the window regulators in the unlimiteds fail often, causing the windows to drop in the doors. All the reportings I've read point toward power window equipped cars. Since I'm looking at manual windows I hope that's the case.
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Old 06-13-2011, 02:19 PM   #78
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I have to say that I have seen this many times in commercial trucks I have driven. Not with the front steer axle but rather with drop axles or booster axles. Typically it is caused by too little or negative caster combined with too neutral toe in. Adding some caster and a tad more toe in solves it.

What you are experiencing is an axle with a lack of "direction". It may roll like this just fine until there is a small road disturbance that induces a bit of bump steer. The axle responds to the small bump steer then self corrects to straight forward travel. Due to the lack of toe and caster it then over corrects the opposite way....and then tries to correct from the over correction....by over correcting again...repeat repeat getting worse with every correction attempt.

Adding a new stabilizer helps to prevent the start of the problem by reducing the inclination to start the bump steer. That is only a band aid to the problem. You don't need a stabilizer IF the axle is aligned correctly. The stabilizer is there to smooth steering actions, NOT to prevent cyclic correction issues.

The load on the vehicle changes caster as does changes to suspension geometry from lifts. The more the axle approaches a neutral stance the more likely it will respond to any input and cause the cyclic correction behavior. Clearly loose tie rod ends and ball joints will add to this problem as one or both tires will be allowed to flop around to amplify the corrections.

On vehicles that are stock and still do it; there can be engineering issues with the stock vehicle that put it close to cyclic correction conditions. Factory caster and toe settings may be too neutral. Just because a vehicle is factory new doesn't mean it is aligned correctly.

Make sure the front end components are not worn. This includes front axle bushings, shackles, tie rod ends, ball joints, track rods etc. Replace those parts that are questionably loose and have it aligned by a very well trained, experienced alignment tech. Tell them what is happening. A good alignment tech will know how to correct it.

Keep in mind that the more weight we load in the back of the vehicle the less total toe in we have as it effectively rotates the front axle "pinion down". This also increases caster as the contact patch moves farther behind the centerline of the ball joints. Way too much caster with too little toe will induce DW. Too much weight in the rear of the vehicle also removes some weight from the front axle. This unloads the tires in front and doesn't allow enough friction to the tires to keep them planted. This effectively makes them too free steering

Caster is what causes the axle to WANT to return to center. Toe is what makes the axle WANT to stay centered. LOTS of caster makes it correct from a turn aggressively. Too little toe prevents it from staying neutrally centered. This condition normally leads to a truck that wanders

Drop axles on commercial trucks are NON steered axles. They follow the front axle and "self steer" so they must be spot on or they "death wobble". This cyclic behavior is corrected on big trucks every day by properly aligning them and assuring the components are snug.

Cheers
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Old 06-14-2011, 05:06 AM   #79
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death wobble

All I can say is that you can come up with a hundred different reasons why this happens but speaking from experience you deal with what cards you are given.

I love my jeeps and there is no question to that but I just three months ago traded in my 100% stock 2007 wrangler black tie edition (bought it off the showroom floor with 150 miles) and here we are in 2011 and I had 37k when the wobble began. I drive 11 miles to work and I was pulled over by an off duty cop from another city because the shaking was so bad he saw it. 3 months prior I replaced all the ball joints up front because Jeep wouldn't agree there is a problem and the thing ran right for 3 months and then the problem came back worse than ever.

Since all of this mess I traded in the beast (and trust me I miss tux) but I was given a sokid trade in (more than what I owed by far) and well now I have a hard top 2011. There is less power than before and they definately made the jeep more "pretty" anlong with the fact that I swear I have less power than before.

much like all of you I love the jeep and I cannot take that away (or I wouldn't have bought a new one) but keep your eye out for issues bigger than you expect.

JAC
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Old 08-01-2011, 12:09 PM   #80
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thats just crazy
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Old 08-02-2011, 11:34 PM   #81
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i get death wobble around 60 MPH, which sucks because id love to use the fast lane and pass the people going 55.
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Old 08-03-2011, 02:20 PM   #82
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I never had the DW and I feel for you guys that have .This has to be painfull$$$$.Its a wonder no one has been hurt.Why dont you guy send this to CNN or fox news?They sure had the toyota gas pedal sticking wide
open on there.I just cant imaging spending a grand on new tires/ect
on a 2 year old vehical with low miles.
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Old 10-15-2011, 01:32 AM   #83
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I hope i never experience this, cause then id be lying when my friends ask whats all over the inside of my jeep and i tell them mud
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Old 11-04-2011, 10:10 PM   #84
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That first video is sooooo bad. I don't think I could even drive that....
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Old 11-07-2011, 10:30 AM   #85
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my old cherrokee had the death wobble on top of bent steering knuckles. it was next to impossible to go straight.
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Old 11-19-2011, 07:25 AM   #86
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I had death wobble happen to me at about 50 mph not fun. pulled over got under the jeep after close inspection. the steering stabilizer was leaking fluids so i changed it for a better after market one have'nt had a problem since then.this was in my old 97. no problem with my jk on 35's but plan on upgrading during the winter.
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Old 01-30-2012, 03:33 PM   #87
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sweet!
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Old 01-31-2012, 10:00 PM   #88
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So what causes it ?
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Old 02-03-2012, 09:05 PM   #89
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I'm completely FREAKED that people actually took the time to do this again to VIDEO it! Crap, I would have towed it home to fix it. Been wheeling since the 70's and YET to have this happen to me. Holy Cow
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Old 02-20-2012, 08:10 PM   #90
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Wow.... after watching those videos I have a better understanding of what to expect if/when it happens to me. I have a 4 inch lift, and thankfully I haven't experienced it yet.

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