littlebrownbike Posted January 16, 2010 Report Share Posted January 16, 2010 Two questions; I think I know the answer to this one already, but...my friend travelled 50 miles to the nearest garage with a Hunter machine, once up on the ramp the operator said he cant align it with worn tyres - as when new tyres are fitted, the calibriation will be wrong. He point blank refused to align the car unless new tyres were fitted. From what I have gathered from reading previous posts, this is a load of rubbish? Secondly, I had a wheel alignment done on my car only a few hundred miles ago, great results - today however I removed the Bridgestones and fitted Goodyear Asymmetrics, now the steering wheel needs to be slightly offset to the right for the car to drive straight. I'm only taking 2-3 degrees here, its not really a problem, but I am curious to why this is. Here is the alignment print out; http://img509.imageshack.us/img509/9894/alignment.jpg Thanks Quote Link to comment Share on other sites More sharing options...
jammy Posted January 16, 2010 Report Share Posted January 16, 2010 didnt you punt it into a curb also ...that would prob have a lastin effect Quote Link to comment Share on other sites More sharing options...
littlebrownbike Posted January 16, 2010 Author Report Share Posted January 16, 2010 Yes but nothings bent. Had the same problem eariler this year when I went from worn out asymmetrics to the bridgestone, with the new tyres the steering wheel changed ever so slightly. I'd wager 99% of drivers wouldnt notice, but still I am curious. Quote Link to comment Share on other sites More sharing options...
jammy Posted January 16, 2010 Report Share Posted January 16, 2010 depends how the tyres wear in first place i guess and how thay were when alingment was done? if it was set with worn tyres then i guess it would throw it out slightly anyway.......have you tried swappin wheels side to side ? Quote Link to comment Share on other sites More sharing options...
Tony Posted January 16, 2010 Report Share Posted January 16, 2010 1: Their talking absolute bollox, the tyre cannot influence the wheels position however badly worn. Tyre =rubber, chassis = metal. 2: Have you read the thread in wim "tyres and their markings", this explains why new tyres can make the car pull to one side, the same explanation applies to the steering position. Quote Link to comment Share on other sites More sharing options...
littlebrownbike Posted January 16, 2010 Author Report Share Posted January 16, 2010 1. Tony, thank you and thought as much. 2. Have read that in the past yes, the coloured bands on these tyres where both on the inside of each tyre. Quote Link to comment Share on other sites More sharing options...
Tony Posted January 16, 2010 Report Share Posted January 16, 2010 1. Tony, thank you and thought as much. 2. Have read that in the past yes, the coloured bands on these tyres where both on the inside of each tyre. Move the wheels side-to-side and see if the steering position changes. Quote Link to comment Share on other sites More sharing options...
HighlandPete Posted January 17, 2010 Report Share Posted January 17, 2010 1. Tony, thank you and thought as much. 2. Have read that in the past yes, the coloured bands on these tyres where both on the inside of each tyre. Move the wheels side-to-side and see if the steering position changes. Wise man... do many tyre shops even bother looking at the markings? Do you have to remount many directional tyres to sort this sort of problem? HighlandPete Quote Link to comment Share on other sites More sharing options...
Tony Posted January 17, 2010 Report Share Posted January 17, 2010 Nope..... Most tyre shops thinks the lines are nothing more then pretty colors.... On the phone i lose about 1/3 of bookings once i explain why the new tyres fitted make the car pull.. I would prefer to stop the customer traveling 300 miles or five hours just so we swap the wheels side-to-side. Quote Link to comment Share on other sites More sharing options...
Tony Posted January 17, 2010 Report Share Posted January 17, 2010 Nope..... Most tyre shops think the lines are nothing more then pretty colors.... On the phone i lose about 1/3 of bookings once i explain why the new tyres fitted make the car pull.. I would prefer to stop the customer traveling 300 miles or five hours just so we swap the wheels side-to-side. Quote Link to comment Share on other sites More sharing options...
marc323 Posted January 18, 2010 Report Share Posted January 18, 2010 1: Their talking absolute bollox, the tyre cannot influence the wheels position however badly worn. Tyre =rubber, chassis = metal. 2: Have you read the thread in wim "tyres and their markings", this explains why new tyres can make the car pull to one side, the same explanation applies to the steering position. I can't find the tyres and their markings thread...am I being dumb here (probably am) sorry...just found it that explains the coloured band...pity I didn't take any notice when they got fitted... Quote Link to comment Share on other sites More sharing options...
CIH Posted January 18, 2010 Report Share Posted January 18, 2010 do tyre pressures impact on the Hunter ? Quote Link to comment Share on other sites More sharing options...
Tony Posted January 18, 2010 Report Share Posted January 18, 2010 do tyre pressures impact on the Hunter ? Only if the tyres nearly flat, a few PSI either way makes no real difference. Quote Link to comment Share on other sites More sharing options...
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