Possible headgasket leaking/failure. Possible head/block internal fracture. 'Pinhole' in pipe that deposite a very fine mist of coolant over a hot engine, this then evaporates leaving no trace! Do you have wet carpets inside or a smell of damp? if you do then you could have a leaky pipe or failed heater matrix - hours of fun!!!
Put a can of leak sealer in it and sell it quick!
How To Find & Fix Coolant Leaks http://www.aa1car.com/library/coolant_leaks.htm
Probably the thermostat is sticking.
It leaks coolant.
The coolant leaks out.
Only if the sensor is malfunctioning.
yes, especially if the leak is causing coolant to leak, you can run out of coolant. then overheat.
If coolant leaks onto an engine it will cause no damage unless it leaks onto the alternator or into a wire harness connector of some sort. It is best to clean up leaked coolant as much as possible. It will smell a little when the motor is started. Leaked coolant on the ground is a danger to animals and children as it has a sweet smell but is very toxic.
it is probably your water pump
When it leaks. If it ain't broke don't mend it
You have a failed gasket, seal, or hose.
You need to fix these leaks or replace the radiator unit.dordor77@netvision.net.il
have coolant system pressure tested and look for the leaks