Common problem when the water pump and tensioners have not been replaced at the same time as the belt. If this had happened within the first six months of ownership then the dealer would have been automatically liable for all of the damage and repair costs. These are your consumer rights: www.honestjohn.co.uk/faq/consumer-rights/

With an independent report, you could claim that there was a problem with the vehicle when they sold it to you. However, if the dealer refuses to accept liability, you’ll have to take it to the small claims court to recover the money. Before doing anything, I'd recommend trying to resolve this amicably. A reputable dealer should - when faced with an independent report - accept that they're liable for the fault. Start by making an official complaint to the dealer and keep a record of all emails or letters. If, after giving them an opportunity to put this right, they flatly refuse to help, get some legal advice. The small claims can help you claim up to £10,000 in England and Wales.