I have a 2001 Pontiac Fire bird its a 6 cylinder 5 speed it over heats ive replaced the water pump and the thermostat for one ive seen the fans start running as soon as the car is started, after it gets up to temp i check the water pump for leaks no leaks i then crawl under the car you can see it dripping pretty good from around the harmonic balancer or the crankshaft all i know is its leaking and i cant get it figured out. any suggestions would be helpful thank you.