2004 Saturn ION "coolant overflow boiling" Questions

...coolant to the overflow tank to bring it up to the correct level, not the radiator.  A small loss over a long period of time is acceptable, but constant refilling, indicates a leak either ...

coolant overflow boiling recently had the heater pipe replaced-it split and dumped all coolant in the street-still having overheat problem: temp gauge IS registering into the red, overflow tank ...

coolant boiling out of overflow my mini overheats and the coolant in the overflow tank is boiling I just had this , it's was a cracked expansion tank on mine, got it replaced and it's fine now. Jara13

...is not allowing the radiator to maintain proper pressure, the coolant will boil and overflow the bottle reservoir. Check radiator pressure and replace the cap if the pressure drops. Hope this

...overflow heats up all the coolant in the recovery tank to the (unpressurized, i.e., "natural") boiling point. As the engine cools when shut off, the contracting coolant in the radiator sucks back ...

...overflow pipe at the coolant level water tank. I let my car run for one hour standing on my driveway and the temperature was going to 222 and then the second fan started running and brought ...

No heat, over heating, leaking coolant REPLACE THERMOSTAT AND COOLANT OVERFLOW PRESSURE CAP IF THERMOSTAT STUCK CLOSED IT WILL CAUSE ENGINE OVER HEAT COOLANT BOIL OUT AT THE COOLANT OVERFLOW RESERVOIR

coolant in the overflow is boiling and the hose is extremely hot. Help i am running out of options and money Well, I would say that the radiator would be next on your list, but usually the overflow is

...is not allowing the radiator to maintain proper pressure, the coolant will boil and overflow the bottle reservoir. Check radiator pressure and replace the cap if the pressure drops. Hope this

...coolant as it boils into overflow tank, pressure gets higher as coolant boils out and overheats car. No water in oil, but idles rough when very hot, pressure hisses when hot out from Intake manifold ...