Had this happen once. Found out the thermostat was'nt opening. Replaced it and everything worked fine. Watch your heat gauge, if after a few minutes of the engine running and the gauge goes from nothing to hot imediatly instead of gradully, you;ve probably got a bad thermostat.
it won't work properly and if you feel the pipe it would be hotter than normal in one place and not so hot in another.
MY 1995 DAKOTA got hot because the radiator was rusted out. The fins on the radiator would crumble just by touching it. Replaced radiator, problem solved.
I would suspect a clog in the radiator.
change th radiator it must be blocked feel th radiator shoud be evenly hot.
No, but if it is hot you will be burned
The radiator would not be hot enough to trigger the chemical reaction which makes the popcorn pop.
THAT MEANS THE RADIATOR IS GETTING HOT, Probably you mean Why isn't the radiator getting hot. could be becaused the thermostat isn't opening or the house to the radiator is disconnected or there is no coolant in the radiator,
probably
It is very doubtful that it is smoke. It is most likely steam. Either there is a pinhole leak in the radiator allowing hot coolant to escape that then vaporizes into steam when it hits the atmosphere... or there is something spilled on the radiator that steams when the radiator gets hot. Have the radiator pressure tested for leaks.
if you have heat and and it is working OK. and if you squeeze the lower radiator return hose and feel water flowing. most likely it is the electronic fan not coming on.
the beaker would feel hot
You say it's running hot, so i am assuming you have hot water in the radiator. If the thermostat was not opening, there would be no hot water in the radiator. Since the temperature sensor is on the engine, it reads the temp of the water in the engine. (Not in the radiator). The fact you have over heating tells me the water is getting hot but the sensor is not reflecting that. I would say it's either the sensor, or the gauge.