ive got a renault clio 1.2 16v 2004 i thort my head gasket had gone because when i took the oil cap off it had a creamy coulor over it but wen i check the dipstick its clean oil.and its not overheatin or smoking and im loosin water gota top it up every other week from full to nothing. anyone have ne ideas all comments will b taken on board and very much appriciated thanks.