Thanks for the info, that makes sense as it came with an electric fan and I see something like an x-eng coolant pipe switch so must have been for that! Have added a picture of the inside, most is stripped down now as i need to weld the new...

Hi all, I have just purchased a 1994 ex-military 90 and am having more and more questions I was hoping for some help on! Oringinally a 2.5 NA, but has been converted to a 300TDi at some point in the past. Didn't know much about this till I...