UNSCRUPULOUS MECHANICS

My brother's car broke down not long after having it serviced by another mechanic, so he took it to Auto Wizards for repairs. It had something to do with his timing belt/crank/head gasket and they said they could fix it. He left the car there, they did the work, sent the engine to the engineers and the car was soon driving again approx R14000 later. Barely 2 months down the line he noticed that his oil and water was mixing and took the car back so they could check it out. He was told that his radiator is busted due to overheating and his head gasket blew. This after they contacted the previous mechanic who informed them of some blockage that needed to be sorted out, they blatantly ignored the problem. Surely as a mechanic you need to inform your client of \other faults' you pick up and let the client decide whether to have it repaired or not. You dont just get paid for one job