I had exactly the same problem. I did unclogged the overfill hose (into the deposit) coming out from the radiator and. Magic. I was worried for a couple of months with the temperature tack going crazy then the house coming from the radiators started to squeeze after cooling, I read a blog that mentioned the overfill solution for this problem and then the temperature tack went back to normal too.
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Sunday, July 16th, 2017 AT 6:27 PM