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| SJ80 coily Sierra steering problem. https://auszookers.com/forum/viewtopic.php?f=5&t=32053 |
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| Author: | max123 [ Mon Apr 23, 2012 6:19 pm ] |
| Post subject: | SJ80 coily Sierra steering problem. |
Hey everyone, The front wheels of the sierra start to intensely wobble at 70km/h and I have no/little control until I slow down to about 20km/h. It doesn't happen every time. I think the problem is far bigger than a wheel alignment  Has any one else had this problem before?? Any advice? Thanks |
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| Author: | want33s [ Mon Apr 23, 2012 6:21 pm ] |
| Post subject: | Re: *steering problem* |
What model? Tyre size? Rim offset? |
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| Author: | stockman [ Mon Apr 23, 2012 6:21 pm ] |
| Post subject: | Re: *steering problem* |
Start simple: Wheel balance? Inside of wheels full of mud? |
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| Author: | gypsy [ Mon Apr 23, 2012 6:25 pm ] |
| Post subject: | Re: *steering problem* |
Steering dampener ? |
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| Author: | max123 [ Mon Apr 23, 2012 6:26 pm ] |
| Post subject: | Re: *steering problem* |
its a 98 SJ80 and its all stock it hasn't seen the mud yet |
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| Author: | want33s [ Mon Apr 23, 2012 6:30 pm ] |
| Post subject: | Re: *steering problem* |
Coily  thought so....Radius arm bushes. Kingpin bearings. Tie rod. Panhard bushes. Check all these. |
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| Author: | Gwagensteve [ Mon Apr 23, 2012 6:33 pm ] |
| Post subject: | Re: *steering problem* |
Kingpin bearing preload. not condition, or replacement - preload, which is measured by starting torque to turn the knuckle with all the seals removed and the tie rod pulled. Check this FIRST Like many things on a sierra, including the steering box adjustment and wheel bearings, they need to be tighter than you imagine. My guess is that your coiler has never had the kingpins checked and they will now be quite loose after 14 years+ Kingpins seem to be the last thing people check, and from my experience, on an otherwise standard car, it's the most likely cause. If kingpin preload is within spec and it still does it, then work though the rest of the list. Steve. *shitstirring mode on* Or avoid trying anything to fix it and add another steering damper *shitstirring mode off* |
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| Author: | max123 [ Mon Apr 23, 2012 6:34 pm ] |
| Post subject: | Re: SJ80 coily Sierra steering problem. |
Ill start there thanks for that |
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| Author: | Blakey [ Mon Apr 23, 2012 6:36 pm ] |
| Post subject: | Re: *steering problem* |
sounds like death wobble that jimny's get, wheel alignment, wheel balance, steering damper, check your castor for misalignment (main cause in some cases) give a shopping cart affect, where the wheel wobbles. usually a steering damper can fix it but its usually a mask rather then a cure. putting larger/ wider tyres on can also cause it. having no grip on your tyres can also cause it as there is no resistance to the small wobble that is always there, but with no resistance to the wobble it get bigger in magnitude until failure, or you slow down. other causes are panhard rod's loose /bushings gone, steering rod ends and track rod ends are loose or knackered, other suspension bushes knackered. lots of thing that can cause it. bolts or mount snapped. there is probably more also been told having your brakes machined/replaced can also fix it, but i dunno how. |
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| Author: | Fatzook [ Mon Apr 23, 2012 10:53 pm ] |
| Post subject: | Re: *steering problem* |
Blakey wrote: also been told having your brakes machined/replaced can also fix it, but i dunno how. Not so much for the death wobbles, as removing a pulsing brake pedal. Warped rotors may amplify a small wobble, but I doubt it. |
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| Author: | Reubs [ Tue Apr 24, 2012 11:43 am ] |
| Post subject: | Re: *steering problem* |
gypsy wrote: Steering dampener ? Coilies never had a steering dampener fitted when they left the factory... Not needed if it's a stocker IMO. If you have wobbles you need to do some maintenance. Full stop. |
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| Author: | Ambitious [ Fri Jan 17, 2014 12:42 am ] |
| Post subject: | Re: SJ80 coily Sierra steering problem. |
I had this exact problem on my SJ80, I took it to the Suzi Store in Perth and they replaced my swivel hub bearings and that fixed the issue, I know this is an old thread but I hope it helps someone in the future 
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| Author: | azz08 [ Fri Jun 13, 2014 8:36 pm ] |
| Post subject: | Re: SJ80 coily Sierra steering problem. |
Thanks I have the same drama with my cozily I will be getting the kingpin bearings checked and tightened and also my swivel hub bearings I have already replaced the pan hard rob bushes |
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