Best answer
Once the temperature of the coolant rises to between 180 and 195 F (82 - 91 C), the thermostat starts to open, allowing fluid to flow through the radiator. By the time the coolant reaches 200 to 218 F (93 - 103 C), the thermostat is open all the way.
At what temperature should a car thermostat open?
approximately 200 degrees FahrenheitAn Integral Part of the Cooling System & How It Works When the engine is cold, the coolant will not flow through the engine. As the temperature rises, however, the thermostat slowly begins to open. By the time the engine reaches approximately 200 degrees Fahrenheit, the thermostat will be open entirely.
Can a stuck open thermostat cause coolant loss?
A thermostat stuck in the open position constantly pushes coolant into the engine and causes a lower operating temperature. ... This will reduce engine efficiency and increase emisssions over time, as well as accelerate the deterioration of parts.
Can a stuck open thermostat cause rough idle?
Yes, if the thermostat is stuck open, the engine may not reach normal operating temperature, and it might idle faster than it should, but it should still idle smoothly, unless there is an additional problem. Most cars idle faster when the engine is cold. ... Can a thermostat cause a check engine light to come on?
Can a thermostat be partially stuck?
Thermostat valves can fail in one of three ways: open, closed or stuck halfway. If the valve sticks in the closed position, coolant will constantly recycle through the engine without going to the radiator, causing the engine to overheat.
Is it OK to drive with a thermostat stuck open?
If you are driving your vehicle and the thermostat is stuck in the open position, it's definitely going to cause some problems for you.
When your thermostat is unable to properly close when it needs to, the flow of coolant will be unrestricted throughout your engine..
How do you know if your car thermostat is working?
Start your car's engine and allow it to idle. Look through the radiator filler neck to see if the coolant flows. At this time, it should not be flowing as your car has not reached the operating temperature to cause the thermostat to open. If you find the coolant is flowing, it means the thermostat valve is open.
What does a stuck closed thermostat look like?
Look to see if the coolant is swirling/flowing immediately — that means the thermostat's stuck open. If the coolant doesn't flow after 10 minutes or so and continues to be stagnant after the temperature gauge indicates it's hot, the thermostat's likely stuck closed. Replace the radiator cap and turn off the engine.
What happens if my thermostat is stuck open?
Thermostat stuck open: When the thermostat is stuck open, the engine temperature drops below normal when driving, especially on the highway in cold weather. A stuck-open thermostat can also cause lack of heat from the heating system. The Check Engine light may come on too.
How far does a water heater have to be from a furnace?
A clearance area of 12 inches is required on all sides of a hot water heater. A certain amount of airflow is also required for proper combustion and ventilation. Also asked, is the water heater connected to the furnace?
How long can you drive with thermostat stuck open?
Open is fine as others have stated, the only thing is that since your car will not reach the ideal operating temp, (yes, you can overcool a car) your gas milage will take a hit becuase the ECU thinks the engine is still trying to warm up. my friend drove his car for 4.5 YEARS with stuck-open thermostat...
Related Question Answers

dbyrne
ProfessorIs replacing a car thermostat easy?
If the thermostat sticks in the open position, it doesn't keep the liquid in the engine long enough, so you have trouble getting your car warmed up. ... Because replacing the thermostat is quite simple and thermostats are quite inexpensive, you may want to try this task before you take more drastic measures.

GwynBleidD
ProfessorCan a bad thermostat cause transmission problems?
If the thermostat is stuck open Temperature gauge reads lower than normal. Heater doesn't work. Automatic transmission has trouble shifting into higher gears. Fuel economy drops noticeably.

Jonathan Sanchez
ProfessorHow long does the Nest thermostat battery last?
five yearsBest answer: The Nest Protect's battery will last five years for the battery-powered version, or long enough as a backup if you use the wired model. Accordingly, how long does the Nest Thermostat last? Google Nest Learning thermostat has 2 years of warranty.

Jordan H
ProfessorWhy does my Nest thermostat say in 2+ hours?
If your Nest thermostat is just recently installed, it's possible that your thermostat is still learning how quickly your house cools down.

Gilbert Le Blanc
ProfessorHow does a thermostat go bad in a car?
Why Car Thermostats Fail. Car thermostats fail when the valve of the thermostat fails to open, fails to close or gets stuck in a partially-open position. As the thermostat controls the flow of coolant to the engine, this can keep the car from warming up or cause it to overheat.

Kuya
ProfessionalHow long does a thermostat last in a car?
ten yearsGenerally, a car thermostat last ten years. But it can be different for many vehicles. Well, there are many symptoms you will notice when the life of your car's thermostat finishes.

Kelly
ProfessionalDoes Aria have a heated pool?
The pools at ARIA are open and heated year round!.

Sergey Bushmanov
ProfessionalCan a thermostat fail closed?
All thermostats will fail in either a closed or open position; there is no such thing as a thermostat that will fail in a “safe” position. Although some brands may claim a thermostat fails in a safe position, it simply locks itself open while it is in a full stroke open position.

Gili
ProfessionalHow long does a Nest thermostat battery last?
five yearsBest answer: The Nest Protect's battery will last five years for the battery-powered version, or long enough as a backup if you use the wired model. Also, how long does the Nest Thermostat last? Google Nest Learning thermostat has 2 years of warranty. And Nest thermostat E has one.

LondonRob
ProfessionalCan I remove thermostat from car?
If you remove the thermostat, your car will run cold in cold weather. ... If you are on the highway, the thermostat will open and close because the radiator can cool more than the engine can heat. If you remove the thermostat, the car will not overheat.

GSerg
UserHow high can a thermostat go?
90°FYour thermostat can go up to 90°F, but you shouldn't push it that far for monetary reasons. Not only will it drain power and cause a huge jump in your bills, but it will force your heater to work harder and wear down much faster.

Sven van den Boogaart
UserHow much further does a golf ball travel in warm weather?
So how much does heat affect how far the golf ball travels? According to the folks at TrackMan, for every 10 degrees of increase in temperature, the golf ball flies approximately 1.33 to 1.66 yards farther, depending on the club being used.

Zohab Ali
UserHow do you know if your oven thermostat is broken?
If it is within five degrees of 350, your thermostat in your oven is not broken. If you do not have a window that you can look through, open the door and check the temperature on the thermometer and see if it is within five degrees of 350 degrees.

Martin Wettstein
UserHow far away does thermal imaging work?
A typical application for thermal imaging is border security, where most threats occur at night. Watchtowers spaced at 4km intervals or more have to be able to detect threats at ranges up to 2km or more to guarantee full coverage of the border.

jared_mamrot
UserCan you wire a thermostat backwards?
If you installed the thermostat backwards, it would probably not open up enough to allow coolant to flow, and the temp gauge would shoot up into the far right range, the engine would overheat, etc. etc. So the overflow tank provides a way for the engine to only have as much coolant as it needs.

pupeno
GuestWhat does a stuck thermostat look like?
The yellow line is the engine temperature. ... If a thermostat was stuck open, the lower radiator hose would start warming up as soon as the engine is started. If a thermostat was stuck closed, there would be no flow even after the engine reached the operating temperature, and the lower radiator hose would remain cool.

Alex from Jitbit
GuestWill check engine light come on if thermostat is bad?
The most noticeable issues occur when the thermostat gets stuck in either the open or closed position. A malfunction can result in a trouble code, generated by the engine's computer, which can turn on your check engine light.

Valentin V
GuestHow do I know if my outboard thermostat is bad?
Symptoms of a failed thermostat (open position)Engine slow to warm up.Engine not reaching its correct operating temperature.Poor cold weather performance.Water flowing from the exhaust pipe at idle.

Blakes Seven
GuestHow far does a water heater have to be from a wall?
12 inchesWater heaters must be surrounded by a certain amount of clearance, or air space, to function properly and safely. A clearance area of 12 inches is required on all sides of a hot water heater.

paradocslover
GuestDoes a bad thermostat affect air conditioning?
Normal Interaction. Under most circumstances, a bad thermostat will not have any effect whatsoever on the air conditioning system. ... A stuck-open thermostat will constantly send coolant through the radiator to cool, meaning that the coolant -- and thus the heater -- may never reach its full operating temperature.

ethergeist
GuestWhy does the fan run when thermostat is off?
Here's what they may find: Stuck Relay – Relays in your air conditioner unit help open and close electrical circuits to turn components, like a fan, on and off. ... Malfunctioning Thermostat – A faulty thermostat can cause your AC fan to run constantly by not knowing when the desired temperature has been reached.

Black
GuestHow does a warm compress help a Bartholin cyst?
A warm compress will also help open your Bartholin glands so they drain normally. Wet a washcloth in warm, but not hot, water. Apply the compress for 10 minutes. Repeat 4 times each day.

Hackinet
GuestHow do I keep my static caravan warm in the winter?
How to Keep Your Static Caravan Warm in WinterUnderfloor Heating. A static home has far fewer insulation properties than a normal house, but you can overcome many of the problems with underfloor heating. ... External Insulation. ... Open The Curtains. ... Water Systems. ... Accessories & Internal Features. ... The Final Word.

Daniel C. Sobral
GuestHow many wires does a Nest thermostat need?
High voltage systems typically have a thermostat that is labeled 120 V or 240 V, and has two thick wires with wire nuts.

luboskrnac
GuestHow do I connect my thermostat to WIFI?
Connecting Thermostat to Wi-FiPress the Menu button to open the menu. FAN MODE is displayed.Press the down button until > NETWORK is displayed.Press the Mode button to enter the NETWORK menu. ... Press the Mode button again to start WPS. ... Press the WPS button on your router. ... The thermostat should now be joined to your Wi-Fi network*.

Jonathan Tuzman
GuestHow do I know if thermostat is stuck open?
Symptoms of a bad thermostat Thermostat stuck open: When the thermostat is stuck open, the engine temperature drops below normal when driving, especially on the highway in cold weather. A stuck-open thermostat can also cause lack of heat from the heating system. The Check Engine light may come on too.

iRon
GuestHow long does a car thermostat last?
ten yearsGenerally, a car thermostat last ten years. But it can be different for many vehicles. Well, there are many symptoms you will notice when the life of your car's thermostat finishes.

enchance
GuestWhat happens when car thermostat goes bad?
A bad thermostat can stuck-open or stuck closed. A stuck-open thermostat can prevent the engine from getting heated enough to function properly. A stuck-closed thermostat is a much more serious case where the engine overheats quickly and might be self-destructed.

Robert Longson
GuestCan a bad thermostat cause a burning smell?
A stuck, open thermostat would not produce this scenario because the thermostat is supposed to be open at highway speeds. The burning smell through the vents indicates potentially serious damage to your engine. ... The excessive heat is burning oil, plastic, wiring, etc. in the engine compartment.

Rika
GuestHow far should a thermostat open?
Once the temperature of the coolant rises to between 180 and 195 F (82 - 91 C), the thermostat starts to open, allowing fluid to flow through the radiator. By the time the coolant reaches 200 to 218 F (93 - 103 C), the thermostat is open all the way.

bereket gebredingle
GuestHow do I know if my mercury thermostat is bad?
There should be an open circuit when the mercury is not contacting the wire contacts and a closed connection when it is. If the thermostat fails either of these simple checks, it is defective. The easiest way to check thermostat function is to jump across the terminal screws with a jumper wire.

Florin Dobre
GuestWhat happens if the thermostat doesn't work?
Thermostats fail because they become weak, stuck open or stuck closed. When a thermostat is stuck open, coolant constantly circulates and the engine takes longer to reach operating temperature. This affects everything from performance to mileage to emissions and will ultimately take years off the engine's life.

balki
GuestCan a bad thermostat cause radiator fan not to work?
If the thermostat is stuck open (allowing coolant to flow) it can cause the engine to run cooler than normal so obviously the fan wouldn't come on.....but not like the engine/coolant can be running too hot and the thermostat somehow effects the sensor reading or operation of the fan.

Cristian
GuestHow do you tell if a thermostat is open or closed?
As the engine heats up, the thermostat should open up and allow the coolant to flow from the radiator to the engine.
If you see the coolant flowing through the radiator, then the thermostat opened and is working properly.
If not, then it is most likely stuck closed..

Jiaaro
GuestHow do I know if my home thermostat is bad?
How to Tell if Your Home Thermostat Is BadThe thermostat does not turn on: Even with fresh batteries or verified electrical connection, the display does not appear.The thermostat is unresponsive to your adjustments: It doesn't turn on your HVAC systems when you adjust the temperature, or the display doesn't change when you press buttons.More items...

madhead
GuestHow do I know if my thermostat is opening?
As the engine heats up, the thermostat should open up and allow the coolant to flow from the radiator to the engine. If you see the coolant flowing through the radiator, then the thermostat opened and is working properly. If not, then it is most likely stuck closed.

Ken Chan
GuestHow do I know if my thermostat is stuck open or closed?
Check the radiator hoses for differences in temperature. If one (usually the top) is cooler, but the bottom is burning up, that indicates the thermostat is stuck closed as well. Do not stick your hand near the front of the engine while the fan and belt are moving, and never remove the radiator cap from a hot engine.

phuclv
GuestHow do I know if my thermostat is stuck open?
Symptoms of a bad thermostat Thermostat stuck open: When the thermostat is stuck open, the engine temperature drops below normal when driving, especially on the highway in cold weather.
A stuck-open thermostat can also cause lack of heat from the heating system.
The Check Engine light may come on too..

Silver Light
GuestHow do you hide an old thermostat on the wall?
Disguise ItBy putting a decorative frame around the thermostat, you can blend it into a picture wall. ... You can install shelves where the thermostat is located, so it looks like it's resting on one of them. ... Similar to adding shelving, you can place an open-shelf bookcase in front of the thermostat.Feb 6, 2017

Pascalius
GuestHow do you know if your thermostat is stuck open?
Cold engine test: Start the engine. Time how long it takes the engine to warm up enough to produce heat when the heater is turned on. If it takes more than five minutes for the heater to produce heat, it is a sign that the thermostat is stuck open, allowing all the coolant to flow all the time.

Felix Kling
GuestHow do you open a thermostat lock without a key?
Take a tiny flat head screwdriver and insert it into the bottom of the lock. While twisting the screwdriver clockwise, slide an unfolded paper clip in above it and push on the tumblers inside it. There aren't very many in there. Just keep fiddling with it for a few minutes until it turns open.

yegor256
GuestHow does a thermostat fail?
Thermostats fail because they become weak, stuck open or stuck closed. When a thermostat is stuck open, coolant constantly circulates and the engine takes longer to reach operating temperature. This affects everything from performance to mileage to emissions and will ultimately take years off the engine's life.

quervernetzt
GuestHow does an adjustable thermostat work?
As the strip heats up, one of the metals expands enough to open the circuit and switch off the heating, cooling the room down. To regulate this mechanism on your thermostat, use the temperature dial that you can adjust to the preferred temperature. This sets the point for the circuit to switch off and on.

paradocslover
GuestHow far should the thermostat be from the return?
about 52-60 inchesIt is actually fine (and some say preferable) for the thermostat to be located near a return intake.
For best results, you want the thermostat centrally located.
This is a part of the home that you frequently use rather than tucked away in a hall.
The thermostat should be positioned at a height of about 52-60 inches..

David Thielen
GuestHow long does a house thermostat last?
The lifespan of most home thermostats is 10 years.

Todd
GuestHow long does it take to replace a thermostat in a car?
Q: How long do it take to replace a car thermostat The required time could range from 1/2 hour to literally hours in some unusual designs.

kev
GuestWhen must a thermostat be fully opened?
When is a thermostat fully open? The thermostat is usually fully opened at 15 - 20 degrees (F) above the opening temperature.

Enselic
GuestWill a bad thermostat throw a code?
The most noticeable issues occur when the thermostat gets stuck in either the open or closed position.
A malfunction can result in a trouble code, generated by the engine's computer, which can turn on your check engine light..

Romain Guy
GuestWill a stuck closed thermostat cause no heat?
A stuck-open thermostat can also cause lack of heat from the heating system. The Check Engine light may come on too. Thermostat stuck closed: When the thermostat is stuck closed, the engine might overheat. Besides these two cases, the thermostat may also need to be replaced if the thermostat housing is leaking coolant.

Jonas Staudenmeir
GuestWill heater work if thermostat stuck closed?
If a thermostat was stuck open, the lower radiator hose would start warming up as soon as the engine is started. If a thermostat was stuck closed, there would be no flow even after the engine reached the operating temperature, and the lower radiator hose would remain cool.