Remove it from car, then place in cup of boiling water, if it opens and closes properly then it still works, if it doesnt move at all, its bad.
how do you know when thermostat is bad in 19997 Pontiac sunfire
how do you know if the thermostat for the ford escort sport 1999 is bad
if the indicator light is not getting switched off or on
your temp guage will sky rocket if its bad, you may even have coolant a coolant leak (comming out of the the housing of the thermostat). replacing it is easy and cheap.
Car overheats, your heat in your car stops working
You will know of your thermostat is going out when your car overheats, then turn on your heater really hot on full blast, then the temp will instantly drop. This is a sign of a thermostat gone bad.
One Coolant Hose is hot and thew other is cold...
For the cost of a new one, if you suspect it might be bad just replace it.
If your engine takes a much longer time for the thermostat heat guage to reach its required level of operatiing temperature then the thermostat may be stuck in the open position which means that it will need to be replaced.
what are the symptoms of a bad thermostat on a 1997 Chrysler Sebring Lxi what are the symptoms of a bad thermostat on a 1997 Chrysler Sebring Lxi
Any sign of overheating, just replace the thermostat. On a 8 year old car it should be replaced and the cooling system serviced.
Yes a bad thermostat would cause overheating in any car. A thermostat regulates the temperature.