dreaded death wobble please spare your time - JeepForum.com
 
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post #1 of 15 Old 11-12-2015, 06:22 PM Thread Starter
CallMe_Lockouts
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dreaded death wobble please spare your time

hello jeep community. i am in need of help. i have spent the last 2 and a half hours googling and sifting through countless forums to diagnose my death wobble. it started a month ago, it did it randomly while braking from highway speeds and didnt do it for 2 weeks then bam.... exactly 51 mph it death wobbles every time. i put it in 4wd to limp home and that stopped the death wobble at highway speed. its a 2006 TJ 3" lift on 31" bf goodrich tires. my track bar had play in it, replaced that but noticed that my track bar mount has 2 holes, one of which is very worn out, pictures to follow soon after i figure out how to use this site. it looks like the previous owner simply drilled a new hole in the mount to accomidate the lift. i put the bar in the stock hole and the bolt fit snug but it looks like the bushing moves slightly still. balance, alignment, and tire rotation are tomorrow but im still looking for contingency plans. the ball joints and tie rods are solid, but i do not know how to check for control arm play. thank you for your help jeepers!!!

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post #2 of 15 Old 11-12-2015, 06:26 PM
TheBoogieman
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It's usually tire/wheel balance related if it occurs at specific speeds. Tighten the track bar, align the front toe to 1/8" yourself, get the wheels balanced and take it from there.

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post #3 of 15 Old 11-12-2015, 07:23 PM
weslaine
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If you have any slop/wear in any of the front suspension/mounting holes you will need to get bigger bolts. Don't throw any parts at this problem until you watch Pan Man's videos. Best diagnosis. And if you replace the steering stabilizer it will only mask the real problem.

Watch this and search for part 2 on youtube.
https://www.youtube.com/watch?v=9uQwlmlhiF4

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post #4 of 15 Old 11-12-2015, 07:30 PM
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Make sure you aren't running 70 psi either. Tire guys love to overinflate when they install new rubber.
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post #5 of 15 Old 11-12-2015, 07:53 PM
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Originally Posted by CallMe_Lockouts View Post
hello jeep community. i am in need of help, but i do not know how to check for control arm play. thank you for your help jeepers!!!
Definitely fix the Trac bar mounting hole, have a look at the bushings on the control arms and lastly Don't drive it on the highway in 4wd unless it's snow or dirt.

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Quote:
gily25 Says...
Issues only become problems when you don't have the tools or time to fix it.
Mike318 Says...
I like my 4.0L like I like my ****... stroked and blown. :duhrock:
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post #6 of 15 Old 11-12-2015, 10:24 PM
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Quote:
Originally Posted by Lastshot View Post
Definitely fix the Trac bar mounting hole, have a look at the bushings on the control arms and lastly Don't drive it on the highway in 4wd unless it's snow or dirt.
Reasoning behind this? Don't see any problem with driving in 4HI other than the occasional tire chirping...

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post #7 of 15 Old 11-13-2015, 06:12 AM Thread Starter
CallMe_Lockouts
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Here is the mounting bracket on my track bar. Any help on prices for a shop to fix this?
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post #8 of 15 Old 11-13-2015, 06:20 AM
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Originally Posted by rt4422 View Post

Reasoning behind this? Don't see any problem with driving in 4HI other than the occasional tire chirping...
You're putting alot of stress on the transfer case by turning on dry pavement. At best you stretch the chain, at worst you could end up with two halves of a 231 instead of 1 whole box. Its not a clutch operated all wheel drive system, its a mechanically connected 4 wheel drive. The front and rear tires need to spin at different speeds, reguardless if you have open diffs or lsd/lockers. It's also written in the manual.

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Quote:
gily25 Says...
Issues only become problems when you don't have the tools or time to fix it.
Mike318 Says...
I like my 4.0L like I like my ****... stroked and blown. :duhrock:
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post #9 of 15 Old 11-13-2015, 06:24 AM
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This picture is bad, but I would find a shop and get a new track bar bracket installed. Here is a bracket >> http://www.quadratec.com/products/16301_4465.htm

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post #10 of 15 Old 11-13-2015, 06:25 AM Thread Starter
CallMe_Lockouts
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I only did that to limp home from base. Now I just drive under 45
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post #11 of 15 Old 11-13-2015, 06:43 AM
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Quote:
Originally Posted by CallMe_Lockouts View Post
Here is the mounting bracket on my track bar. Any help on prices for a shop to fix this?
Any shop can cut and weld plates on that fairly cheap.

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
03' Rubicon/Zone 4" coils with 1" spacers up front/Rancho shocks/5.13 gears-35" MTZs/BM brakes
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post #12 of 15 Old 11-13-2015, 07:17 AM
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Edited. Nevermind.

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post #13 of 15 Old 11-13-2015, 08:59 AM
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Quote:
Originally Posted by CallMe_Lockouts View Post
I only did that to limp home from base. Now I just drive under 45
Straight line, the jeep would act fine, it's the turns that'll get you. Don't worry, if it's not making any noises you probably didn't do any damage.

Back to DW: as others have said, you either need to get that bracket reinforced, or cut if off and get a new one welded on.

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Quote:
gily25 Says...
Issues only become problems when you don't have the tools or time to fix it.
Mike318 Says...
I like my 4.0L like I like my ****... stroked and blown. :duhrock:
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post #14 of 15 Old 11-13-2015, 09:56 AM
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Quote:
Originally Posted by Lastshot
Straight line, the jeep would act fine, it's the turns that'll get you. Don't worry, if it's not making any noises you probably didn't do any damage. Back to DW: as others have said, you either need to get that bracket reinforced, or cut if off and get a new one welded on.
In theory you can get "wind up" even driving in a straight line for long enough.

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post #15 of 15 Old 11-13-2015, 10:28 PM
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Quote:
Originally Posted by CallMe_Lockouts View Post
Here is the mounting bracket on my track bar. Any help on prices for a shop to fix this?
Some reading for you: https://www.jeepforum.com/forum/f9/br...racket-905624/
... HTH
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death wobble , death wobble diagnosis , track bar bracket , track bar bushing

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