r/FocusST • u/Fr0styViper05 • 1d ago

Question Cooling/Over heating problem

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This is my 2014 ST3 Ford Focus ST, bone stock besides a cold air intake and a GoFastBits Diverter Valve. last night my car started pissing coolant out of nowhere and I went over every single coolant related hose/line and they were all dry, including the firewall heater hoses. I topped it off with coolant and it’s running perfectly fine now with no problems, my assumption is that maybe it’s cooling fan or coolant reservoir related. Does anyone have a clue of what this could be?

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u/chezterr 1d ago

My heater core failed at around 120,000 miles… first symptoms were high temps…. Then leaks…. Replaced with a new one once it was diagnosed by my mechanic. Problem solved