Fuel loss in Voyager 2.8 CRD

Who has an idea?! Since yesterday suddenly massive diesel loss on Voyager! Seen from below it runs out like sprinkler systems…. I think it comes from direction belt drive, but can not locate it exactly! From above looked everything is dry and nothing recognizable! The fuel lines where I can get to, all look i.o. from…. Greetings from the west coast