steering wheel shimmy when going over bumps - JeepForum.com

 
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post #1 of 14 Old 07-22-2007, 10:45 PM Thread Starter
rmb2485
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steering wheel shimmy when going over bumps

In the last week or so I've noticed that my steering wheel (and I'm assuming font wheels) shimmies back and forth for a few seconds after I hit a bump. These are NY roads, so by bump I mean jarring bump, not smooth bump. I have a 2"BB, 1.25"BL and 1"BMML and 31" AT's. I'm going in for a front end alignment tomorrow (complements of Firestone's lifetime alignment, best $110 I've ever spent ) but should I have them check the front tires for being balanced properly too? Would an after market steering stabilizer help? I don't think theres a mechanical problem causing this because its a recent development. Probably something just thrown out of whack while wheeling? What are your guy's thoughts?

edit: Forgot to mention that this is all happening when I'm traveling somewhere in the neighborhood of 55mph.

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post #2 of 14 Old 07-23-2007, 06:45 AM
jterp
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I have the same thing on my '02 with stock suspension. It was really bad -- violently bad -- and it turned out that I had broken a sway bar end link. With that replaced it pretty much went away, but it still there very faintly. If you find anything out let us know!
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post #3 of 14 Old 07-23-2007, 07:08 AM
175MM BULLDOG
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I installed a Rancho stabilizer on my '05 Unlimited. It stopped the shimmy. I only have 26,000 miles on the rig! Whats up with that?

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post #4 of 14 Old 07-23-2007, 11:29 AM Thread Starter
rmb2485
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Talked to my mechanic today and he's pretty confident that its just my stock steering stabilizer on its way out. Any recommendations for an after market replacement that won't burn a huge hole in my wallet?
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post #5 of 14 Old 07-23-2007, 11:37 AM
TheBoogieman
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Steering stabilizer and Skyjacker's work fine.
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post #6 of 14 Old 07-24-2007, 01:28 AM
usarmyavn
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I had the same problem. Replaced my steering stabilizer with a Rancho and it's fine now!
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post #7 of 14 Old 07-24-2007, 07:10 AM
Big-E
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Any heavy duty stabilizer will do, just put a Superlift Stabilizer on mine yesterday. They all run about $50. Mine was not easy, could not get the old one off. The bolt through the rod had to be grinded off & drilled out. The new shock came with a new bolt.

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post #8 of 14 Old 07-24-2007, 08:09 AM
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steering stabilizer fixed a problem i had like that as well

use a pitman arm puller to pull your old one off, just go slow, and i would recommend leaving the nut on the bolt on the last couple of threads, just short of removing it. when it lets go, its a LOT of released energy.

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post #9 of 14 Old 07-24-2007, 08:12 AM
EDGEY
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One trip from LI to NYC is the equivalent to a trip out west in the mountains!

I have the same problem, steering stabilizer is next on my list to replace.

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post #10 of 14 Old 07-24-2007, 08:41 AM Thread Starter
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Quote:
Originally Posted by sknight
One trip from LI to NYC is the equivalent to a trip out west in the mountains!
I contend that one mile driven on the BQE is worse for your Jeep than a week of wheeling anywhere in the country

As far as my steering shimmy goes, I had the Jeep aligned today and the toe was actually out quite a bit, so its riding a lot better now. Ordered a new stabilizer from Rusty's too so hopefully that will get me back to being shimmy free!
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post #11 of 14 Old 07-25-2007, 06:15 AM
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For everyone I know with that problem, it's ended up being a tire balance issue. This includes myself.

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post #12 of 14 Old 07-31-2007, 03:12 PM Thread Starter
rmb2485
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Heres an update for anyone who is following along:

I replaced the steering stabilizer with one from Rusty's today and it seems to have eliminated the shimmy. The old stabilizer is obviously worn out because I can pull it in and out very easily by hand. The steering feels much less sloppy now (even though I didn't think it felt sloppy to begin with) and the wheel stays centered when going over bumps.

The install took all of a half hour. Using a pitman arm puller to get the tapered bolt out of the drag link really helped also. And, for once it was nice to have a project go exactly as planned, with no complications, and have a problem fixed for only $43 .
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post #13 of 14 Old 07-31-2007, 03:16 PM
HitIt
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I had a very similar experience and I found my front track bar to axle bolt had worked loose. Tightened it with loctite and all has been fine for a while now.
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post #14 of 14 Old 07-31-2007, 05:39 PM
BlkBird
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I believe there is a factory TSB on that issue also. Could check out alldata if interested.

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