been leaking coolent for a while. the other day when i was coming
home from work it started overheating and running very rough. when i took foot off gas the oil light came on and it sounded very like engine was getting no oil. i replaced water pump thinking the bearings had locked up and they had not. put timing chain back on it and tried to turn engine manually with socket and breakaway bar. it is very hard to turn to a point and then seems to free itself upit also hisses at me when i turn it. can anyone give me an idea about what i should do now???

I would hiss back if I was you, maybe it will stop?

Buy a new Malibu, like I did. MY '98 was a mess. Its the intake manifold gaskets.

Did you check your oil level? My guess is that your dumping oil into your coolant because of the intake gasket. Change the gasket or you will indeed be buying a new car.