money owed

[tellyv]

I stupidly let a customers car go with a huge bill, the guy has some money and big talk and seemed like a stand up guy, well 2 months later still no money he keeps giving me the runaround what can I do can I take the car back? mechanics lean? Need some help im in w.i. if that matters, I now some of you have been through this any help would be great. thanks telly