HAVE JUST NIPPED TO THE GARAGE AS CAR WAS LOOSING WATER THEY HAVE SAID ITHEY THINK IT IS THE THERMO HOUSING, HAVE BEEN QUOTED £17.50 FOR THE TOP PART OF THE HOUSING, BUT I HAVE NO IDEA IF THIS IS THE RIGHT PEICE, ANY ADVICE, I AM ACOMPLETE NOVICE SO ALL I CAN TELL YOU IS THAT, IT IS THE BIT WHERE ALL THE HOSES GO INTO THAT IS LEAKING, IS THIS THE TOP BIT OR DO I NEED A FULL HOUSING???? PLEASE HELP I AM SUPPOSED TO BE GOING TO BUG JAM AT THE WEEKEND AND NEED IT FIXED BEFORE WE GO!!!