anti freeze leak

Buy, rent, borrow, one of these. It's a pressure tester, that pumps air in to system and watch for where it comes out. Use with engine cold. Unless you already know where the leak is. If that's the case, what are you asking?

Yes, what is the question? We are gurus, not psychics. Having said that if it is the seeping gasket leak at the intake which is common to many of these cars, a treatment with Bars Leaks will possibly solve the problem and same you a huge repair bill. After that make sure the cooking system is full and all air pockets have been eliminated and the overheating problem should go away.