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Old 01-12-2009, 02:08 PM   #1
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Death Wobble?

This was stickied in the YJ forum, but it looks like it contains a lot of good info for TJ's as well

Quote:
Originally Posted by amerijeep View Post
Having trouble with death wobble? Friend to Wrangler Forum, yuccaman has graciously allowed us to link to his site.

Click HERE for some fantastic death wobble information.

Thanks, yuccaman!!

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Old 01-13-2009, 11:55 PM   #2
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Thanks Bud!

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Old 04-02-2009, 08:36 AM   #3
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Death Wobble

This is great information. I just bought a 2003 Wrangler Rubicon and DW is driving me nuts. Looks like I will start with new tires, alignment, etc as the old are pretty worn.
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Old 04-19-2009, 09:39 AM   #4
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I have a 2003 Rubicon too, and I had a bad case of DW which lasted more than six months before I got rid of it. To be honest, I don't know what it was that fixed it, because it was a combination of things that kept improving the situation. Probably not what most of you want to hear! In my opinion, the best information on the topic can be found at ( myjeeptj.com ). When on their home page just scroll down to the title that reads "Nth Degree Jeep TJ tech" and you will here a former Jeep engineer discribe in detail what to look for. He gets a little technical, but it is worth it to try to understand his jargon. On the practical side, I ended up changing my stock track bar with a JKS adjustable one and installed adjustable lower control arms as well. Had it aligned, balanced the tire about four times, and double checked the tightness on all the steering and suspension bolt. This pretty much took care of the DW, but it still acted like it wanted to do it. Lastly, I installed a long arm upgrade to the 3.5" RE lift, and that really made things a lot better. Not only did any hint of the DW disappear, but the ride and handling improved as well. Besides, it was a good way to convince the wife that I need a long arm!
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Old 04-21-2009, 10:18 AM   #5
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03 Rubi the main improvement you made that affects DW is the adjustable track bar. The length position and orientation of the track bar is one of the main contributers to DW, second to steering box placement and since most of us dont really wanna relocate our steering systems that is usually the best first step, after you take care of the basic maintenance stuff (alignment, tire balance)
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Old 05-01-2009, 06:53 AM   #6
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I've got a 2006 Unlimited stock. In the first year Jeep replaced the OE steering damper/shock three times! Having worked in the auto repair industry I finally convinced the dealer to replace the OE shock w/a HD aftermarket shock from Moog. It's been over 30K miles & no death wobble.
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Old 05-01-2009, 07:46 PM   #7
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Quote:
Originally Posted by thesue View Post
I've got a 2006 Unlimited stock. In the first year Jeep replaced the OE steering damper/shock three times! Having worked in the auto repair industry I finally convinced the dealer to replace the OE shock w/a HD aftermarket shock from Moog. It's been over 30K miles & no death wobble.
My 04 is having it too, I replaced the damper a while ago but its back. Jeep had a TSB and I used that one a while ago.

Do you have the model and part number for the Moog unit they installed so I can track one down. I picked a new track bar last year but I checked the torque on the bolts and joint and everything is good.

It seems to have gotten worse since it warmed up which tells me the damper is not working as good and I do not want to use another OEM part.

Thanks.
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Old 05-02-2009, 04:26 PM   #8
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I just ordered a HD skyjacker Damper. It was only 58 with the shipping. Lets see if it cures it. I feel the factory one is shot again.
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Old 05-11-2009, 11:13 AM   #9
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I have had the same problem since I bought my Jeep in Nov., 2005. I was told that if everyone with this problem writes to The U.S. Department of Transportation, NHTSA, Washington, D.C. 20590 that if they get enough people they will do a recall on the Death Wobble and would have no other choice but to find the problem anf fix it.

Please write to the NHTSA
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Old 05-16-2009, 09:09 PM   #10
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From what I've read, experienced and understand, is that a new damper only masks the true problem. That being, loose or worn joints/parts, especially the track bar. Out-of-balance tires, or alignment issues.

My suggestions, first make sure ball joints are good and change, if not. DW or not, they need to be in good condition. Then, check and take care of the easiest things first.

Tighten track bar if loose, as well as other joints, if possible. Check for bent components. It's FREE!!

Balance tires (make sure you get someone experienced, who will balance them better than the typical high speed balance, to almost zero out-of-balance)....very inexpensive!

If there's still a problem, it's time to have alignment checked. Most shops will check it for free and give you a readout of the condition. It's usually about $60-$70 to get the alignment done if it's not in spec.

Last, start swapping those rubber bushings for poly pieces.

I developed death wobble on our trip to Oklahoma for our FIRST outing with the jeep.

All that was done was a 2" BB at this point. Still had the stock 215-75-15 tires on. It was enough.

I installed an HD damper and it stopped for quite a while. Even with the Rubi rims/tires. Recently, I removed them and put on a different, smaller set and suddenly......DW!! Not too bad though. Just a bit showing between 50-55mph.

I put on my original rims/tires and it went away. Tightened the track bar and other mounts to make sure it stayed that way!!

Didn't wanna ruin that nearly new damper!!
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Old 05-19-2009, 01:01 PM   #11
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I had the steering stabilizer replaced AND I new track bar bushing put on and viola!! No more DW! the guy said that the bushing that needed to be replaced is a rubber/plastic one that comes stock and when it goes bad, it is that main cause for DW

any thoughts?

J
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Old 05-19-2009, 06:41 PM   #12
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From what I've learned, the track bar bushing at the axle end is one of the biggest, if not THE biggest culprit.

No surprise here. Once DW starts, it kills the stabilizers quickly.
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Old 05-26-2009, 05:43 PM   #13
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I got some SERIOUS death wobble today on the expressway. I was doing about 70, hit a bump and the tires where squealing and the shaking was bad. Cars behind me were slowing down and changing lanes because they probably thought I was about to crash I took the next exit, slowed to 40mph for it to stop, then got back on.

So as soon as I got to work, I ordered an aftermarket stabilizer and adjustable track bar. I hope it fixes it.

I hardly ever get DW on regular roads (40mph - 50mph), but on the highway it can be bad if I hit bumps at 60+
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Old 05-27-2009, 01:12 PM   #14
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I used to have DW, got a new steering stabilizer, and it's completely gone. Another thing, when I had it, I found that my Jeep would only wobble in 2wd. I just threw it in 4wd whenever the wobble started, killed it dead in it's tracks
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Old 05-27-2009, 04:16 PM   #15
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Quote:
Originally Posted by freewayeric View Post
I used to have DW, got a new steering stabilizer, and it's completely gone. Another thing, when I had it, I found that my Jeep would only wobble in 2wd. I just threw it in 4wd whenever the wobble started, killed it dead in it's tracks
Thanks for the tip. Worked like a charm. I got DW again, flipped on 4WD and it stopped.

My new stabilizer and track bar came in. Will install them tonight.
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Old 05-29-2009, 05:07 PM   #16
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In case anybody cares: Installed the stabilizer last night, and zero DW now. It's a Rough Country stabilizer from JCWhitney. I believe it was $40.

I hit all of the bumps on the expressway on purpose to try and initiate it, but there was no wobble.
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Old 06-01-2009, 08:36 PM   #17
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I came on tonight to look for this exact problem. About a week ago I was driving on the highway and my 2003 Wrangler started shaking so bad I had to pull over. The whole thing was coming apart!!

I do need new tires, but was hoping to wait until fall. Now I think I'll do it and get an alignment and see if that helps.

Thanks for the info!
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Old 06-02-2009, 11:31 AM   #18
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i had death wobble in an old pontiac bonneville ,due a little hardly noticeable knot in the sidewall of one of my front tires.i believe that is what is wrong with my 99 tj wrangler,i have changed everything out but the ball joints.the wobble took place after rotating my tiresneo
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Old 06-03-2009, 06:59 AM   #19
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Quote:
Originally Posted by neo View Post
i had death wobble in an old pontiac bonneville ,due a little hardly noticeable knot in the sidewall of one of my front tires.i believe that is what is wrong with my 99 tj wrangler,i have changed everything out but the ball joints.the wobble took place after rotating my tiresneo
i have found the culprit,play popping in ball joints on the passenger sideneo



changing all 4 ball joints this weekend
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Old 06-08-2009, 01:29 PM   #20
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Finally fixed my DW. First found the Track Bar needed grease, then a sway bar link broke, looked at everything else and they are fine. Put on a HD stablzer but still had it. Had the tires rebalanced and now it gone.
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Old 06-10-2009, 07:59 PM   #21
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Does anyone know where to get a quality SYE and CV shaft for a decent price?
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Old 06-10-2009, 08:08 PM   #22
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Old 06-14-2009, 09:20 AM   #23
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dw

Had that for a while but new tires fixed it!
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Old 06-29-2009, 04:30 PM   #24
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Red face Kill my mechanic?

I had a 2" skyjacker budget boost lift kit installed on Friday...after happy hour, i started to drive home (had 1 beer...honestly)...Well, it felt like I had consumed a 12 pack once i hit 50 mph and my 2001 Wrangler started shaking and vibrating where i almost lost control...not happy...my tires and rims are new and i never had so much as a "shimmy" at any speed UNTIL i had the 2" kit installed...I am new to site, have researched and read about the Death Wobble in jeeps, and would like a check-list to have my mechanic go through to "solve" my wobble...I honestly feel like ripping the damn lift kit out...any help is appreciated...
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Old 06-29-2009, 05:11 PM   #25
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I had the same problem with my 06 unlimited. shook so badly that i had to lift from the accelerator and get to the shoulder. I had her aligned and balanced and that didn't work. I put new rubber on her and she's doing fine now, but I don't think that it is fixed.
I still hold my breath between 50 and 60. I'm taking it in to the dealership for a thorough exam.
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Old 06-29-2009, 09:44 PM   #26
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Im having mechanic check alignment/balance etc...the "death wobble" info on line has been great, i just hope my $500 suspension lift project doesnt turn into a bottomless money pit project....all i want to do is add 32 inch tires at some point...btw, i would hope your 06 is still under warranty and demand the issue be fixed...good luck and great choice of "second" car re the Bimmer...
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Old 06-30-2009, 06:43 AM   #27
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Actually the Bimmer was first, but she needs a rest and after getting my jeep I think she'll get a long one. And yes the jeep is under warranty and they WILL fix it. Last time I took it in for leaking axle seals they gave me a PT to drive. This time I'm leaving in a Jeep or I'll sit in the service dept until it's done.
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Old 06-30-2009, 10:32 AM   #28
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Best of luck and I hope nobody saw you in the PT!!! My service appontment is next week so the Jeep and I will try to be patient....I will post my results when the wobble is gone...thanks for all the info....ciao
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Old 07-05-2009, 09:24 PM   #29
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Wink Death Wobble is Gone!!!!

Took my Wrangler in for an alignment and put some 31's on for fun....the Wobble is gone completely!!!! I was so happy and relieved to solve that problem....no track bar, steering stabilizer, transfer case fix....a simple alignment and 2" bigger tires seemed to "even" everything all out...drives like a dream and looks awesome....thanks to all those jeepsters posting info on the Wobble....
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Old 07-06-2009, 02:07 PM   #30
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The DW feeling is much more extreme feeling then an engine laboring right? cause mine shakes when the engine is laboring (higher gear low rpms). its much different right?

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