Engine Overheating 2001 Neon
This sounds as if you have air in the system, you will need to bleed it. Take the radiator cap or coolant expansion cap off, with engine turned off, Now squeeze the bottom hose, and the top hose continually until you see bubbles appear ,the coolant level should momentarily rise and then fall when you release the hose, do this to all the hoses ie, heater hoses as well as the top and bottom hoses, keep doing this until no bubbles appear, by this time the coolant level should have dropped,then start the engine and run at tickover until the coolant level stabilizes,turn off engine and top up coolant to the level,refit cap and run to operating temperature. If this does'nt cure the problem the chances are that the system is drawing in air , but thats another problem! hope that helps