frm the electric hydrualic pump the seal is fukd,went to ford to see if i cud get a new seal an they dnt sell them,but u can buy the pump tho for bout £800 quid the guy said so ive asked a lad of ere who's breakin his cossie for his unit. oh ive managed to get the vents out cheers m8,soon sliped out wen i got the screewdriver in there