just double checked mate and its the pipe that comes from the engine and not the one that goes down to the water pump so thats the feed? sorry i must sound stupid but the golf starting to piss me off!is the plastic cover on the thermostat known as a water flange? as it doesnt list a thermostat cap on the gsf page but it does a water flange (well two, one has engine side in brackets)cheers for any help