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yes not good for the engine if it runs too cold either
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∙ 14y ago
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Why does your ford van engine will not warm up?
Thermostat is stuck open. Replace it.
Your 2000 cavalier does not get hot?
Thermostat is stuck open. Replace it. It opens at 180 degrees. Car should run at 195 degrees
Why does heater not get hot after driving 10 miles?
your thermostat in the cooling system is probably stuck open, you will need to replace your thermostat
The antifreeze will not heat up in a Dodge ram 2003?
Thermostat is most likely stuck in the open position; replace the thermostat.
If the thermostat is bad will it cause your heat not to work?
If it is stuck open, the answer is yes. When in doubt, just replace it.
Why does heater not heat up temperature gage stays cold?
My first guess would be a thermostat stuck open. Replace the thermostat.
Can you drive your car if you have to replace the coolant thermostat?
If it's stuck open, yes you can. If it's stuck close, no you cannot drive the car.
When coolant temp is low what needs to be done?
Replace the coolant thermostat. It is probably stuck in the open position.
Do you have to fix a thermostat that is stuck open?
You should gas mileage will suffer otherwise
Would a defective thermostat on a 1993 GEO Prizm cause low readings on the temperature gauge and little heat in the car?
Yes! Thermostat stuck open. Replace thermostat. It could, but the thermostat is normally open when the engine is warm so you should only notice this when the engine is cold or warming up.
What does a bad thermostat for 1995 Chevy S10 look like?
A bad thermostat could be stuck open or stuck closed. Drop it in boiling water and it should open. Then close when cooled off.
How can you tell if the thermostat is bad on a Chevy Trailblazer?
To test a thermostat remove it while the motor is cold and make sure it is not stuck open. If it is stuck open when cold it is faulty. If it it is closed put it in water on a stove with a thermometer and heat the water. It should open at the temperature it is rated for wich is usually stamped on the thermostat. If it does not open when heated it is faulty. Thermostats are cheap and do need to be replaced occassionally; if I decide to remove a thermostat i generally replace it with a new one for piece of mind.
