You may have a stuck closed thermostat, if it overheats within 10 minutes or so. I would verify the cooling fan/s are coming on. The worst case, would be a blown head gasket.
on of the strangest things in my 1995 chrysler concorde was found after a lot of time effort and money was spent in trying to repair the overheating problem. Radiator, Water pump, Hoses, Radiater cap, It turned out to be the heater block hoses at the fire wall in the engine compartment. not the hoses but the super cheap junk chrysler spring hose clamps.
what happened was insane. When the pressure built up they would leak slowly and the water level would go down until it was too late to stop the overheating. And it would blow out the overflow pipe. by this time it was steam and spray everywhere, and no sign of the leak at the hose clamps to the heater core. This problem was intermitent and could run OK for weeks. The cure was the better hose clamps you use a screw driver on. These are sold everywhere and come in mixed sizes. I would change them all including under the manifold. This would have saved me hundreds of dollars. Chrysler Bah Humbug.
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