black radiator fan sensor from passenger side behind the head (4 prong)
green after run pump sensor deivers side behind the head and (2 prong)
blue aux fan switch from lower radiator hose (4 prong)
Neithor my primary or aux fans come on anymore aswell as my afterrun pump does not stay on long causing the car to go very slightly over the middle of the coolant temp gauge after shutdown
fans work for sure. (tested)
I'm trying tosee if these are the issue or if i have to move onto a fan controle module or w/e these german cars have on them
Also
there is supposed to be a 1 way valve in this line i highlighted and pointed out in this pic, Which way is the coolant supposed to flow though? towards the expansion tank or rear coolant line?
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