bad service

Hi we took my husbands car to get his turbo fixed after saying we will have the car back the next day 22 August 2015 and we are still waiting to get the car back 1 Sept 2015 after braking the bonnet lock the said the will fix it on own expense the fixed it with a wire and now they want us to pay the full amount of R8000.00. I wont recommend them to anyone