In very short:
If the thermostat stays open, the warm-up time for the engine will be significantly longer, resulting in unwanted start-up wear.
If the thermostat stays closed, the engine coolant can not circulate through the engine and cooling system, resulting in the engine overheating, as the coolant is used to keep the engine in a specific operating temperature.
I set the thermostat for 70 degrees.
if its not working.
If thermostat does not open - Vehicle will overheat in a short time - no heat If thermostat does no close - vehicle will not get to normal operating temperature - no heat
That vehicle is fuel injected, it doesn't have a choke thermostat.
Broken thermostat. Common Chrysler problem. Replace the thermostat.
Vehicle will run without a thermostat - however will not run as efficiently and will have not heat
Your thermostat is broken
When it's broken or the mercury stays the same.
replace it
It's complicated to answer that question.
Remove the water supply hose from the top of your 2005 Chevy Cavalier thermostat housing. Remove the thermostat housing retaining bolts. Lift the old thermostat out and drop in the new thermostat.
Is vehicle actually overheating? Could be a bad temperature sending unit or gauge Check temperature with a thermometer If thermostat does not open vehicle will overheat