An acquaintance (I'll call John) wanted to buy my second hand van but wanted to pay in installments. Four months later he hasn't paid a penny and I can no longer find him. The van broke down two weeks after he took it home, it went to a garage to be fixed but John couldn't afford the bill. The garage won't give it back to me even though I have offered to pay the bill. I understand that I am the registered keeper but not the owner in the eyes of the law. Someone at the garage admitted that the garage owner intends to keep the van for a few more months then it becomes his by default and he can sell it on - and pocket the cash! How can I get my van back?