DW STILL!! - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 19 Old 06-04-2011, 12:07 AM Thread Starter
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DW STILL!!

Installed FLCA's today, adjustable ones from RC. measured them out at about 23 1/8" eye to eye, and still getting wobble, should i make them a little longer?

or try a new stablizer? i currently have a stock one.

i have an 08 unlimited rubi, with PP 4.5" springs, 35" mud rovers, winch bumper, full armor.

What are your thots?

p.s. im getting it aligned tomorrow. and my trackbar reloc. brackets are coming tomorrow

VOTE # 13 FOR 2011 TTC!!!!!
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post #2 of 19 Old 06-04-2011, 12:19 AM
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Honestly I would wait to find out what happens at alignment before you start changing things. If you find out your toe is totally out of whack then you probably have your answer.

Still be good to check the normal stuff like BJs and tackbar as well though. Not sure if you did all that already but Planman has the definitive guide for DW issues.
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post #3 of 19 Old 06-04-2011, 07:35 AM
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The steering stabilizer shouldn't really be the issue, unless it is leaking or broken.

Have you gone through this thread:

https://jkowners.com/forum/showthread.php?t=30723
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post #4 of 19 Old 06-04-2011, 07:35 PM Thread Starter
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alignment fixed it!

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post #5 of 19 Old 06-06-2011, 09:52 PM Thread Starter
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WAIT! it happened again. it only does it if i hit a big bump in the road! what the fuck!!!!

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post #6 of 19 Old 06-06-2011, 10:11 PM
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Quote:
Originally Posted by fuknrunit View Post
WAIT! it happened again. it only does it if i hit a big bump in the road! what the fuck!!!!
Check the toe first...which should be on your alignment print out. If that's within manners for the 35s...

Oddly enough, when I was running full armor I was getting wobble over large bumps. When I took off the trans skid of my River Raider setup as an unrelated issue occurred, I magically stopped having death wobble over large bumps. There's probably some other issue obviously, but it's been fixed since the trans skid was removed.

2010 Jeep Wrangler 2dr Rubicon with a part from everyone...
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post #7 of 19 Old 06-06-2011, 10:15 PM
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Quote:
Originally Posted by merlin4979 View Post
Have you gone through this thread?

https://jkowners.com/forum/showthread.php?t=30723
x2

video, pics, and inspection checklist there


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post #8 of 19 Old 06-06-2011, 10:27 PM
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If your axle is way out of alignment, that COULD be contributing. Another biggie is wheel balance- I stripped a weight off of my driver's front wheel on a rock, and I can tell you it gives me some nice watertight moments (figure it out ) when I hit bumps, especially mid-corner. This is the cause of probably 80%+ of DW that isn't from alignment issues. What were your alignment specs?

Also, at 4.5" of lift, you may need a high-steer kit- I had monster bumpsteer at 3.5" (RK) with adjustable lowers front and rear- the RK steering setup made it go bye bye Mark W.

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post #9 of 19 Old 06-07-2011, 08:37 AM
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I'm chasing my own wobble issues. Here's my thread. Following Planman's write-up and fixing/replacing some questionable parts has yielded good results.

https://www.jkowners.com/forum/showth...171#post799171

- Ruskin
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post #10 of 19 Old 06-07-2011, 10:14 AM
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IMO. 90 % of the time DW is tire related. Get them balanced.
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post #11 of 19 Old 06-07-2011, 01:18 PM
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Originally Posted by frankie945 View Post
IMO. 90 % of the time DW is tire related. Get them balanced.
That isn't DW. DW is from loose or damaged components.

Loose trackbar bolts or damaged ball joints can't be fixed with a tire balance--or a steering stabilizer.

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post #12 of 19 Old 06-07-2011, 01:33 PM
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So I guess when the steering wheel shakes so bad you have to almost come to a stop for it to get back to normal isn't DW. I ve put lifts on 3 jku's now. And all had DW. And they all turned out to be the tires. My old H2 would get DW so bad after hitting a pot hole. I would have to completely stop. It turned out to be tires as well. The were wore on one side. Which was the cause of it. New shoes it was like new.

I know u think u know everything about DW. But its not always loose or damage parts. In my experience the tires seem to be the cause.

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post #13 of 19 Old 06-07-2011, 01:45 PM
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It's not REALLY death wobble when your tires are out of balance and you hit a bump- it's bumpsteer, which is a temporary form of DW- not QUITE the same, but to most people, they'd think it was and call it, death wobble Also, it's commonly mis-diagnosed. It'll fix, as Frankie and I have mentioned, a great many cases of "death wobble" to re-balance the wheels/tires- Mark W.

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post #14 of 19 Old 06-07-2011, 02:11 PM
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Quote:
Originally Posted by frankie945 View Post
So I guess when the steering wheel shakes so bad you have to almost come to a stop for it to get back to normal isn't DW. I ve put lifts on 3 jku's now. And all had DW. And they all turned out to be the tires. My old H2 would get DW so bad after hitting a pot hole. I would have to completely stop. It turned out to be tires as well. The were wore on one side. Which was the cause of it. New shoes it was like new.

I know u think u know everything about DW. But its not always loose or damage parts. In my experience the tires seem to be the cause.

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I certainly don't know everything, but this is not from bad tires:

YouTube - ‪Death Wobble‬‏[/SIZE]
YouTube - ‪JK Death wobble.wmv‬‏

Bad or out of balanced tires definitely do cause problems. The vibrations/shimmies can expose the true sources of DW. So, they are a trigger, but not a source.


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post #15 of 19 Old 06-08-2011, 09:03 PM Thread Starter
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could high tire pressure be a potential cause?

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post #16 of 19 Old 06-08-2011, 10:09 PM
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Doubtful- unless you had E-ranges are were running 60 PSI, I doubt it- Mark W.

Back in a '94 YJ! Well, after I sink $$$$ into it...
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post #17 of 19 Old 06-08-2011, 10:10 PM
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Quote:
Originally Posted by fuknrunit View Post
could high tire pressure be a potential cause?
It could be a trigger, but typically not a source.

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post #18 of 19 Old 06-09-2011, 02:52 PM
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Ok here is my 2 cents. We had the same problem. You need to check the track bar bolt hole on the frame side and make sure it is not out of round. Ours must of came loose and caused it to become out of round, so we took it and had a grade 8 washer welded over the bolt hole to make it round again. That fixed our DW. Like I said that is just my 2 cents
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post #19 of 19 Old 06-09-2011, 06:40 PM Thread Starter
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thanks for the feedback, i know this topic is a dead horse that gets the shit kicked outta it all the time.

btw, hittin the rubicon fathers day weekend. anyone goin up?

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