Hi there I have a 2000 s-type 3l petrol auto I was just wanting to know if anyone knows of a common fault with the cooling system as I have noticed today there is a leak somewhere that keeps leaking then not leaking e.g. It was leaking while driving it today but when it was stood running it wasn't leaking any advice would be gratefull also if anyone knows of any other common fault with theses jaguars it will be good to know thanks