I think the pump if I remember correctly has a return to the tank and if, the battery will be eaten but well ... we will see ... and the mechanical pump dragged by the engine, I see it a bit difficult, because the 1.8 16v engine has everything very imprisoned and compacted and already in itself, take out the engine from the car or put a hand to repair the dogs by not having space to put the hand to put the hand to put the hand to put the hand to put the hand to put the hand ...