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HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 13, 2012 4:36 pm
by Plageman
I have a SPOA Landcruiser 75 and it gets the wobbles at around 50 kph unless my wheels are severly toed out, i mean when you look from the front end it looks as if both front wheels are turning in opposite directions. As soon as i adjustthe tie rod to make both wheels straight, wobbles happen again.
Any ideas?
Im not to sure on casters or any other shit. My pinion angle is set right when i did the spring over. here is the thread for my build up to
My tie rod ends are new havent tried castor wedges, would they help?
http://www.outerlimits4x4.com/viewtopic ... n#p2034724" onclick="window.open(this.href);return false;
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 13, 2012 6:13 pm
by Oldhenry
I'm chasing the same thing in my hilux ATM. May sound silly but try a wheel balance. See what happens.
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 13, 2012 7:10 pm
by Plageman
Yeah im gonna try wheel align backyard style, by using rims with no tyres on. And meaure front and back of rim to a spot on diff. then adjust tie rod to suit. Im pretty sure castor wedges would help though as my perches are on a slight lean foward.
It feels like a never ending battle though ey,
So what are you doing for your lux?? to fix problem
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 13, 2012 7:32 pm
by TheBigBoy
Caster, bushes, tie rod, steering box.
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 13, 2012 8:16 pm
by Z()LTAN
Castor @ -4to6deg and an SV steer dampener from tie Rod to diff. No more wobbles
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Mon Nov 19, 2012 9:48 pm
by Plageman
Thanks Tom, but all i can find are dampeners to replace mine that connect to drag link. Where can i get one that connects to diff and tie rod or do i just have to make a custom bracket to suit normal dampener?
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 20, 2012 7:52 am
by MogLux
Z()LTAN wrote:Castor @ -4to6deg and an SV steer dampener from tie Rod to diff. No more wobbles
Was going to say the same thing.. if all you have done is sprung over the diffs and not changed the angle it will happen every day... This is the problem when people think they know what there doing and not researching things first..
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 20, 2012 1:02 pm
by Plageman
Moglux, i agree and think research is a big part and thats why when you look at my build thread there is countless research questions and links on getting the SOA right. Its all part of doing modifications is to change things to get it right.
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 20, 2012 6:53 pm
by Oldhenry
My hilux has been sased so was originally independent. Mine isn't that bad that its undrivsble just annoying. I put a steering dampener on it and did fix it a lot but I went to fit a set of extended shakles and it's came back bader then ever and felt bad under breaks. So I'm pretty well dumbfounded and can't find anything that really helps. Wheel alignment
and balance did help with a shake in the wheel but it still feels like its bouncing around.
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Tue Nov 20, 2012 7:07 pm
by RAY185
Oldhenry wrote:My hilux has been sased so was originally independent. Mine isn't that bad that its undrivsble just annoying. I put a steering dampener on it and did fix it a lot but I went to fit a set of extended shakles and it's came back bader then ever and felt bad under breaks. So I'm pretty well dumbfounded and can't find anything that really helps. Wheel alignment
and balance did help with a shake in the wheel but it still feels like its bouncing around.
Did you ask your wheel aligner for the caster angle measurement? Caster angle is the usual culprit, especially when extended shackles are used. Other contributing factors on a leaf sprung 4WD could be worn spring eye/shackle bushes, loose U bolts, flogged out/loose wheel bearings or flogged out/loose king pin bearings (trunion).
Re: HELP! Death wobbles happen unless Wheels toe out
Posted: Sat Nov 24, 2012 8:01 am
by georgey
Check your ubolts are tight and wheel bearrings are tight.this fixed mine on my lux