It's the first we have heard of this. If it occurred within six years of purchase you may have a case under Sale of Goods: www.honestjohn.co.uk/faq/consumer-rights/ It may also be worth taking up with DVSA Vehicle Standards because it there are other cases a vehicle safety recall could be issued. Do you operate the vehicle in particularly harsh winter conditions where the roads are heavily salted? Or do you use it for launching boats into the sea?