Hello together, first of all the short history. I bought yesterday a PT Cruiser BJ 2006 petrol/LPG 2.4 liter spot discount. the good had remained on the highway got hot the ADAC meant head seal. That’s all the information I got from the not very good German speaking seller in the parking lot. Incl. the expression of the ADAC head seal. Unfortunately the car is still without TÜV and now also thanks to missing license plates is of course no longer a test drive possible Therefore only 200 meters up and down on the private property. Engine becomes normally warm within a few minutes. Temepraturanzeige rises only to the normal level, so nothing unusual, car doesn’t steam white, No water in the oil, water clean.. However, after 5 to 10 minutes drive, that starts to boil in the balance tank that you mean in the inner room the car flies straight into the air. Temperature indicator normal. Fan does not work either. the water boils within such a short time and it boils like in the noodle water. Finally, the balancing tank at the side is generally open when overflowing.Hose on the cooler above is then only warm not hot. Heating, only lukewarm air arrives. Error memory I can not read out yet. Car stands 60 km far away at a known and I did not have my laptop with me. Motor runs otherwise normally pulls sa Over and the first few minutes everything is completely normal without bubbling and cooking. What amazes me is the normal temperature indicator and the water is quite clean also the balance container is not dirty. So I will order the new balance container, as it probably does not exist individually. But that can’t be the reason. What should I check first? New cooler lid? Thermostat? It’s really fast with the overcooking, only a few minutes, whereby the eigen It’s still normal to feel the same engine temperature.