"As a suggestion," I'd take your car to a trusted repair garage and let them check the whole car over and let you know what it's problems are. An itemized list would be a great way for you to start fixing problems. It would be money well spent.

Many things can be wrong with the cooing system other than the water pump. For instance, low coolant, stuck thermostat, clogged radiator, radiator cooling fans not working, bad head gasket to name a few.
Where do you live? Probably a fellow Crossfire owner is in your area that could help you! Most of us work on our own cars.