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| Nigel |
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Actualy, tramlining is a problem for most people - when you go wider it gets significantly worse.
More visible on the older cars simply due to the steering geometry improvements since. I was just thinking - you have a ute. Worth making sure the rear springs/shocks are ok as well - if that can move at all (forward/backward) then you get interesting times. Ive seen it once before. The shocks - I always thought Nah - but on my XD (20 years ago) - the difference was chalk and cheese. Nigel |
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| sooty72 |
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I've Got it! I don't know why I didnt think of this before!
Move away from Melbourne! If there are no Tram lines around, you wont have the problem. f**k, I'm a genius. 
_________________ Yes, I own a Ute. No, I won't help you move! |
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| Nigel |
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LOL - From a QLDer.....
doh |
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| XESP351 |
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Lol, yeh its all the trams fault.
Is tram lining just another term for bump steer, cos i keep seeing on other forums XD-XF utes suffering from bump steer. If that's the case then it may be more common and harder to fix than i thought. Don't think it has to with the fact it is an old geometry and fat tyres, my XE ESP has 225's at the front and steers completely true, and the thing has never had a wheel alignment as long as i have had it (since 2001). |
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| Nigel |
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Nah - Bump Steer is really prevalent in any X Series lowered beyond Low - the steering geometry tightens up as you hit a bump in the corners or rd and moves your around.
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| XESP351 |
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Ok so i have had the whole front end checked in detail and found the pitman arm is worn quite badly, which explains the play in the steering. I've been told that the worn pitman arm combined with the wider rubber is the reason for the steering being 'floaty' and for the car wondering all over the road. I'm still not convinced as the car did the same thing with the old manual steering box (and the wide wheels) but the ptiman arm may have been shagged on that too, so i'll reserve judgement until i change the pitman arm and go from there.
I'll change the pitman arm and idler arm at the same time as lowering it then i'll get a wheel alignment done, and see if it still tramlines. I'll let you all know how it goes. |
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| cjh |
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The wheel alignment set-up is different for manual steering and power steering.
It's a good chance that this isn't helping either. There is more caster with power steer to give it " feel "....also gives it better high speed stability. If you go to 235 tyres on the front, you may have issues with the wheel hitting the front bumper on turning.
_________________ http://youtu.be/jJTh9F3Vgg0 |
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| XESP351 |
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Ok so i have had the ute lowered and pitman and idler arm replaced. The good news is it looks fantastic, but most importantly it STEERS PERFECTLY and no more tramlining or bump steer, i have'nt even done a wheel alignment yet and it still steers so true, the bad news is it's very bumpy lol.
So the fix for that steering issue is definitely replacing the idler arm and pitman arm even though i think the idler arm is more of the culprit than the pitman, but it's worth changing both while your at it. |
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| cjh |
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Is it now that low the upper wishbone hits the bump-stop????
_________________ http://youtu.be/jJTh9F3Vgg0 |
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| XESP351 |
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Nah she's not hitting the bump stops, the job was done proper with Pedders springs and shocks. The car is stiff cos the leafs are capable of handling a load of 800 kg but the car is still low at the back, level with the front.
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