97 saab se turbo 2..0 4 cyln cooling problem, car overheated, used blue devil, wht smoke almost gone, changed out lower coolant hose leaking to new hose. Now leaking at water pump. Water is aggitating alright, so water pump must be working however even after tighting lower hose, it is still leaking. Im stumped, out of patience and need my car what should I do next?