My Ducato 2003 2.8 JTD has a Fuel leak coming from the head cover on the bottom of the fuel pump. It would appear that this is a result of a worn head seal(Part no' 1). I have ordered a seal kit with the intention replacing the seal myself, it looks very accessible from underneath the vehicle but I would need to remove the brake vacuum pump. Is there anything that I may need to be cautious of in removing the vacuum pump or taking the head cover off from underneath the vehicle?