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| Jimny wheel shimmy with 40mm OME suspension http://auszookers.com/forum/viewtopic.php?f=5&t=25180 |
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| Author: | TheBigDog [ Sat Aug 27, 2011 7:44 am ] |
| Post subject: | Jimny wheel shimmy with 40mm OME suspension |
Hey so i recently changed over my stock suspension to an OME 40mm setup and noticed that when i hit about 60kph the steering wobbles quite badly. Hoping its something simple like allignment, camber, balance etc. any ideas? Thanks Oh and running the standard 205/70R15 tyres and rims |
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| Author: | Mubby [ Sat Aug 27, 2011 7:50 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
Theres alot of different factors to take into account. Most people i have talked to and have fixed this problem all fixed it by doing different things. Myne was fixed by getting new tyres and a wheel alignment and Balance. There are alot of threads on this site about this problem. Go to the search function and type jimny death wobble, steering wobble etc and you will find alot of information about it!  Hope that helps!
http://www.auszookers.com/index.php?nam ... mny+wobble |
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| Author: | TheBigDog [ Sat Aug 27, 2011 7:54 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
yeh been having a look. just a bit lost seeing as im not runnin any bigger tyres and it started as soon as i put the suspension in. Id imagine that raising the car would alter the allignment? |
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| Author: | gjb977 [ Sat Aug 27, 2011 8:04 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
I had to get the 3 degree caster. When I had the suspension installed the car shook like mad as soon as I hit about 60. I got the 3 degree caster installed and it fixed it. |
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| Author: | Mubby [ Sat Aug 27, 2011 8:05 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
Yeah after putting in your suspension you realy do need to do a wheel allignment.. See how it goes after that
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| Author: | stocker [ Sat Aug 27, 2011 8:06 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
oh geese not this age old bloody mystery again. just hit the search bar and you'll find a fair few posts about it with all soughts of solutions. just remember a steering dampner is no cure 
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| Author: | Gwagensteve [ Sat Aug 27, 2011 8:22 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
The only alignment spec you have changed is the caster. It's now out of spec. Correct the caster. PS ever had a shopping trolley with a wheel that flutters uncontrollably? That's what happens when the caster comes out of spec. Steve. |
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| Author: | Mistaria81 [ Sat Aug 27, 2011 9:27 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
was the alignment done corectley? did they put the wrong caster bolts in? might wanna look into it 40mm lift shoundn't affect the caster what so ever, but I could be wrong as mubby said, could be a few items. I only know this from my jimny 40mm ome lift |
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| Author: | Gwagensteve [ Sat Aug 27, 2011 9:32 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
Mistaria81 wrote: 40mm lift shoundn't affect the caster what so ever
Now raise the chassis attachment point (where the big blue arrow tip is) 40mm - now just exactly what will happen to the caster? More lift=less caster=death wobbles. Steve. PS yes, the picture is from a late 1970's ford, but the principle is the same with the jimny. |
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| Author: | TheBigDog [ Sat Aug 27, 2011 12:30 pm ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
yeh definitely seems to be the castor. Does this mean i will need 2 get the castor correction bushes or is this something a simple alignment and balance can solve? |
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| Author: | suzooky87 [ Sat Aug 27, 2011 1:26 pm ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
Yes definaty get caster correction bushes installed and set correctly for the 40mm lift. |
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| Author: | TZAR [ Tue Sep 13, 2011 5:44 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
http://item.rakuten.co.jp/apio/1020-01/ here is a new item that you can get to help with steering wobble [For Jimny JB23] kingpin system preload (left set) Adjustable kingpin Item Number 1020-01 Price 16,000 yen (16,800 yen including tax) including postage Qty E-mail to a friend Add to favorite products Write a Review For Jimny JB23 (left set) is a system that can be adjusted appropriately and subtly than the torque wrench in the anti-genuine Suzuki parts and shim type of measures the steering judder and shimmy handle specific axle rigid vehicles. (2010-193 wish utility model) [Specifications] Preload Pin: HRC38 ~ 43 + Vacuum hardening chrome-molybdenum steel SCM435 kingpin base: S35C lock nut: S35C plating: chrome plated mounting and adjusting your Pro Shop is a national Please ask. (Installation instructions are not included) [for steering judder and shimmy] as a handle axle rigid vehicle shake-specific, such as braking or steering of the road surface roughness (handle) is a general term for severe symptoms shaky on both sides. The same is slightly blurred steering shimmy at low speeds also given. Resolution of these methods work is required so make sure to check one by one to multiple factors, not only completely eliminate pre-load system is not the kingpin. Yukimasu cited the cause of the handle caused the shimmy from past practices in the pro shop Apio. In addition they may also have occurred in relation to each other, not because of their own. 
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| Author: | zuk85 [ Tue Sep 13, 2011 6:49 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
lots of talk about this, and everyone I have seen with the 40mm OME kit needs to 2.5" - 3" castor correction bushes, they never had the problem them boom as soon and ome in they get the wobbles. I would say spend your money on those before anything else. and invest in a steering damper if u dont have one already. I have done the whole hub assembly upgrades and fixes and wheel alignment and still get them slightly, so its definalty the castor on mine now. |
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| Author: | gjb977 [ Tue Sep 13, 2011 7:02 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
zuk85 wrote: lots of talk about this, and everyone I have seen with the 40mm OME kit needs to 2.5" - 3" castor correction bushes, they never had the problem them boom as soon and ome in they get the wobbles.
I would say spend your money on those before anything else. and invest in a steering damper if u dont have one already. I have done the whole hub assembly upgrades and fixes and wheel alignment and still get them slightly, so its definalty the castor on mine now. 100% correct. Was perfect before OME ...afterwards thought I'd die. Caster correction and steering dampener and perfect again. |
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| Author: | steak_knife [ Tue Sep 13, 2011 7:20 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
Anyone good at searching???? Look for Mr Nutter's thread on " group action Jimny wobble" There is stupid amount's of info in there. P.S. it's the king pin adjustment, steering dampener will help to.. |
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| Author: | atari4x4 [ Tue Sep 13, 2011 7:46 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
steak_knife wrote: Anyone good at searching????
nah, apparently i just tell people to search & not provide links. 
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| Author: | atari4x4 [ Tue Sep 13, 2011 7:49 am ] |
| Post subject: | Re: Jimny wheel shimmy with 40mm OME suspension |
my shit wobbles & will suzuki help me thread can be found here http://auszookers.com/index.php?name=Fo ... mny+wobble |
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