There really is no point in fitting van tyres if weight is only 650kg. Your old steel rims should be ok. You need to clean rear of rim that contacts face of hub with wire brush to clean shiny metal and also edges of bolt holes. Wheel bolts for steel wheels will have tapers to match taper recesses of wheel bolt holes. Wheel bolts should also be cleaned with wire brush. Ie all wheel to hub mating surfaces should be clean metal and no lubricant should be used on wheel bolts.
I've just re-read the note on the report from the mobile engineer. It says ( in a disjointed fashion)
"Should be 8.8 wheel studs, steel wheel, 10.9 Alloy"
so that is all the info I have. So it sounds like I need 10.9 studs rather than the 8.8 originals???
A friend on another site suggested it might be the difference in size of the ends, some round, some hexagonal??
And where do you buy these?
Edited to add: I've just been looking, and they are different lengths, some 26mm some 30mm how do you know which length you need?
I really can't see why you are staying with non standard wheels when you have this opportunity to get your caravan back onto correct running gear. The wheels are from a 90s Corsa or Polo, these are the few car wheels with 100mm pcd so possibly ok for Alko caravan hubs provided offset does not cause tyres to foul wheel arches at full suspension deflection & so on.
If you can identify your alloys as either Corsa or VW Polo wheels then correct studs as used on those cars might be correct ones to use, provided thread is same, if not then you are reduced to trying to mix & match, how can that be safe? Your own mobile bloke should have understood this & suggested this.
If you revert to standard wheels then wheel bolts are available no probs & you know they will be correct.
Your bloke will tell you if your old wheels are still viable & if not new wheels are easily available & cheap enough, he will know where to get them & also correct bolts, they are standard Al-ko hub fitment.
Its worth pointing out that people that do servicing for a living, ie your mobile engineer often do not like getting involved with non standard items fitted to vehicles they work on. If he supplied what he believed were correct bolts for your alloy wheels & then you lost a wheel he would could be held responsible if they were on his invoice.
If you tell him you want to revert to standard wheel fitment he might be more helpful.
If they are Avondale alloy wheels then could be a problem sourcing bolts because Avondale are defunct but it is important you source correct bolts & that you know them to be correct if you want to use the alloys. Perhaps a car shop that supplies alloy wheels might be worth searching out? If you take one of the wheels in the boot of your car & see if they can match you up some correct bolts? Take on of your old bolts to ensure correct thread.
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Topic: Wheel studs??? Bolts?
