Toyota — Engine problem again

Address:

47000

On 6 december i sent my car to toyota service gmart subang selangor malaysia to repair my car after overheat. I allready told them my car overheat then they change some part like waterpump, thermostat and others and they charge rm3400. Then they said my car allready ok and can use. After a few day i use my car still got problem water radiator dry. Then for 2nd time i send they do check n they just change radiator cap only then they said my car ok n can use. Few day after i take my car then my car breakdown and the problem still the same water dry n got some serius problem to the engine. NOW what should i do allready send to the expert TOYOTA SERVICE but still got problem.