Mysterious overheating/fan issue

[sailaz]

fault code says low pressure in coolant.

in coolant ?? or freon ? does it says the number of faulty sensor ? would be very good to know which exactly sensor measuring low pressure

with "new problems" I mean the kind you report where the running fan is (possibly) caused by having no freon in yr airco, the kind of problems you don't expect to happen

actually I knew that there is no freon in my car because all system was opened for changing seals, but ...... before changing seals it was not cooling already, maybe still was some pressure left ... hmmm, I'm confused now

Right now I have another headache - where is located Filter-Restrictor Valve, 4B0820177 , No.51 ?

[Henkjan]

in freon

might be that that filter is near the dryer, which is iirc somewhere in the starboard wing

[sailaz]

I was thinking about the same location but would like to be sure 100%.
P>S. you are talking about the car like about the ship I mean 'starboard wing'