L322 leaking diesel

hi all need a little help my 2006 td6 is leaking diesel onto gearbox, taken inlet manifold off and all tho there is a lot of oil and dirt near front of engine on right side cant see any physical damage too pipes the pipe going too fuel rail looks fine,if i turn engine over will pump still work so i can see were the leak is while cranking

sorry forgot to mention the oil seems to be running down from top of bellhousing