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84 944 Overheating

  • 1984
  • 944
Mileage: 
120 000
Engine
Aylmer, 
Quebec

I have a 1984 Porsche 944, after the engine overheated because the fan failed to start, I could not bleed the coolant in the system after fixing the fans problem. No matter how hard I tried the engine would alway run hot and the coolant would eventually overflow from the expansion tank when I turned the engine off. Since the water pump/thermostat is only 2 year old and updated, I tough this is common with head gasket, and probably failed with the engine overheating so I changed it and had the head rebuild in the process. Now the car still does the exact same thing. Engine runs very smooth, no oil/coolant mixture, no white smoke... engine runs more or less 3/4 mark on the gage... sensors are all new... temp gage, engine temp and rad/fan switch have all been replaced with oem. The only thing I have not touch is the radiator. There is no boiling as far as I can see, but when I bleed it, there is sometimes steam coming out. Can the radiator be blocked?

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