can i feel the top radiator hose after the engine is hot to see if the thermostat on 1990 Ford Taurus

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my radiator leaked a bunch of coolant real quick when i stopped my car at home and the engine is overheating bad and really fast i let it cool down and put more coolant and water in it and some stop leak just in case and its holding the fluid but my egine is still overheating and it doesn't seem like the coolant is going any where through the engine do you think it's the thermostat or a much bigger problem thanks .....lowdown
(1) Answer
Really hard to say. Are your heater core hoses hot? If not, then your thermostat may be sticking closed.

Stop leak is never a good idea; I hope it hasn't hurt the situation any.