hi all again we have had the head done on our car it has been skimmed and replaced head gasket we hooked caravn up today and got 1 mile before it started over heating again the weight of my van is 1500 so not that heavey we took it back to chap whom done head ect and he was very puzzled we took rad out and about 2cm-45cm at the botton was in bad condtion the water pump also had a little play in all of the pipes were very hot from rad to water pump and ect does any one have a clue please