It trembles a lot. Grand Am 2000 "Problems"

Heating: It influences water pump (not circulating) thermostat (stuck) motorcycler (the power of the rotation either high or low) radiator (obstructed) or loses water. Now the water pump is a problem and the spider packaging is another then it was first to determine where the problem was and if it has been trembling then they did not know how to determine the problem of the beginning
or you authorized one test and something else came out. I am to your orders.