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| Sierra steering problem - won't self centre https://auszookers.com/forum/viewtopic.php?f=5&t=33683 |
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| Author: | Jackson [ Tue Jun 26, 2012 1:50 pm ] |
| Post subject: | Sierra steering problem - won't self centre |
Hey Recently put WT diffs in my 1ltr. The perches were welded on with stock castor. After driving it I've noticed that it won't straighten up on its own. I quickly measured the toe and it was bit out of spec. So I added a little toe in and it didn't help. Smashed heaps of toe in onto it and it didn't help. When I put the diffs in I replaced the king pins. The FSM says the knuckle is meant to start at most at 2.8kg, mine was about 3.1-3.2kg. Because it looked like LR was the only place you could get shims I didn't worry about it. Would this be the problem? Problem occurs both going forward and reverse. Steering box is within spec. No play in ball joints. Have ran over every nut and bolt I touched after 3 or 4 little drives. Other than this it steers fine, no bump steer and tracks straight. Any suggestions would be appreciated. Thanks, Jackson. |
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| Author: | Matthew [ Tue Jun 26, 2012 2:29 pm ] |
| Post subject: | Re: Sierra steering problem - won't self centre |
The knuckle starting torque is 1.0-1.8kg. |
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| Author: | Daz7 [ Tue Jun 26, 2012 2:37 pm ] |
| Post subject: | Re: Sierra steering problem - won't self centre |
Is the steering lighter than previous? Its a castor problem, more castor will give you more self centering but heavier steering. |
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| Author: | Jackson [ Tue Jun 26, 2012 3:06 pm ] |
| Post subject: | Re: Sierra steering problem - won't self centre |
Matthew wrote: The knuckle starting torque is 1.0-1.8kg. My mistake, my starting torque was about 2.2kg then. Daz7 wrote: Is the steering lighter than previous? Its a castor problem, more castor will give you more self centering but heavier steering. The steering doesn't feel lighter. I'm going to say I'm certain the castor is the same as stock. |
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| Author: | alien [ Tue Jun 26, 2012 4:33 pm ] |
| Post subject: | Re: Sierra steering problem - won't self centre |
are you running a steering damper? (the shock absorber between the drag link and the chassis)... if so, take it out and see how it feels. |
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| Author: | Scrawny [ Tue Jun 26, 2012 6:19 pm ] |
| Post subject: | Re: Sierra steering problem - won't self centre |
Get a wheel alignment done and get the castor measurement. |
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| Author: | Jackson [ Wed Jul 04, 2012 4:08 pm ] |
| Post subject: | Re: Sierra steering problem - won't self centre |
Ok had a wheel alignment done, the caster on the left was 3 degrees 30 minutes and on the right 5 degrees. I don't know how much to trust these measurements seeing he thinks he adjusted my camber  So, is thus centering thing down to king pin preload? Am yet to try removing the steering dampner. |
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| Author: | Benchai [ Wed Jul 04, 2012 4:44 pm ] |
| Post subject: | Re: Sierra steering problem - won't self centre |
Have a look at the universal joint at the base of the steering column. Had the same prob with KT and that's what it was |
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