im having a hard time finding the thermastat on my 94 quatro 90
where is the thermastat located? on 1994 Audi 90 Quattro
its in the cover that the lower radiator hose connects to (2 bolts) behind the timing belt area just on the passenger side of the engine. install the new one with the vent hole up.
sorry i was thinking american made engines when i replied the first time but here is a youtube link for you that should hel it shows you where it is http://www.youtube.com/watch?v=3JKy5DYhJmc