I was doing some work at the front of the van and realised that there are three radiators under there....the front one is presumably the air-con, then comes the water radiator, and then a smaller one at the bottom (behind the other two) with its own air scoop - is this associated with the auto gearbox?
cheers - some times assumptions work out but asking questions will always helpful and avoid uncertainties or assumption - the moral of the story being if in doubt ask