Just taken my fd to the mot station he noticed anti freeze leakin so got home to investigate.. my expansion tank has 3 outlets one at the top and two on the bottom only one outlet had a pipe on it one of the bottom ones. then ive noticed a pipe snapped off by one of the pulleys which goes to the the front plastic water tank does this go to the top outlet of the exspansion tank and whats the other outlet at the bottom for jus a run off thanks very much gaz...