How Long Does it Take to Change a Thermostat

A car thermostat is responsible for preventing the engine from overheating. Unless an engine overheats or doesn’t reach normal operating temperature after driving it for several miles, the thermostat that regulates the flow of coolant is probably working properly.

Thermostats generally last for years, even for the life of a vehicle, so why bother changing them? Is it necessary to change a car thermostat as part of normal maintenance? Let’s take a closer look.

What Does a Thermostat Do?

Your car’s thermostat is a vital component that is quite simple. It is a valve located in your car’s cooling system. Their job is to regulate how much coolant is recirculated back to the engine and how much it cools through the radiator before recirculating it.

This ensures that your engine coolant stays within a specific temperature range regardless of the outside temperature. The valve is opened and closed with a spring, piston, or other thermally controlled devices.

How Long Does a Car Thermostat Last?

You may hear the problem that the thermostat stuck to open or close. When the engine is not running and does not turn, the thermostat closes and again when the engine starts, it runs and the temperature reaches a set point.

The cooling system called the car’s thermostat is automatically opened by a sensor inside. These are the general function of a car thermostat.

But sometimes it happens that after starting the engine, the temperature reaches the optimum level, and even after that the thermostat does not open. Again, after starting the engine and reaching the optimum temperature, the thermostat opens but after closing the engine and reducing the heat, it does not close.

At that time, the engine heats up more than the average temperature. It’s terrible for a car engine.

Generally, a car thermostat lasts ten years. But it may be different for many vehicles. Well, there are many symptoms that you will notice when the life of your car thermostat is over. Here we give you these symptoms so that you can see them and take the necessary steps to do so. These are as follows:

The engine is overheating and the temperature gauge also says that:

The first and most critical or alarming symptom is that the engine will overheat fifteen minutes after starting. The temperature gauge will read the high-level temperature in red.

In most cases, this is the initial symptom of the thermostat that it is not working properly. As soon as you see this symptom that your car’s engine is overheating, you will need to take some necessary steps to get it repaired or replaced.

How Long Does it Take to Change a Thermostat

Generally, overheating cannot cause a car engine to catch fire, but internal surfaces can get very hot if the cooling system fails, and before the exterior of the engine gets hot enough to ignite anything, the engine will catch fire. it will stop and stop. running forever.

Now if you’re running at high power levels when the cooling system fails and a connecting rod breaks and makes a hole in the side of the block, then hot oil will come out of that hole and ignite when it hits the exhaust system. You should always have a fire extinguisher for any type of emergency.

Read More: Best Dashboard Cleaner for Cars in 2021

When to Replace Your Thermostat

Because they are so simple, thermostats generally do not break down with age. If it appears to be working, a new thermostat is probably not necessary.

However, if you are having other cooling system maintenance, such as replacing the coolant and/or radiator hoses on a vehicle that has been in service for several years, it might be a good idea to replace the thermostat at the same time for peace. . of the mind.

That’s particularly true if the top hose is removed, as that’s where a lot of thermostats are located. If you need to replace your radiator or any gaskets or hoses in your cooling system, you can also ask your mechanic if you should replace your thermostat at the same time.

Aside from this type of preventative maintenance, you don’t need to replace a thermostat unless it stops opening and closing when it’s supposed to. If it sticks in the closed position, it traps the coolant in the engine and overheats.

If stuck in the open position, the coolant will constantly circulate through the engine and radiator, which can prevent the engine from reaching maximum operating temperature (and maximum efficiency) and reduce heat production from the climate system.

Signs that a thermostat is not working include an engine that is overheating or running hotter than normal or a cabin heater that is not producing enough hot air. A faulty thermostat can also activate the check engine light.

Because these symptoms can be caused by other problems, the entire cooling system, from the major components to the small gaskets, should be inspected by a professional before deciding to replace the thermostat.

If your vehicle has ever overheated, you probably need a new thermostat. Overheating can cause serious damage to the valve, as well as to the thermostat housing and the hoses and gaskets that are part of your car’s cooling system.

Excessive heat can cause things like hoses, gaskets, and even metal thermostat housings to warp and lose their original shape. When this happens, these vital components can no longer do their jobs as they should.

Thermostat has no power or is not responding:

Sometimes you will find that your thermostat has no power. You cannot activate the potential of your thermostat. So it needs to be changed. It is another alarming sign that your thermostat has gone bad.

Configuration does not match:

Another sign of a bad thermostat is that it doesn’t match your car’s temperature. It can fluctuate when damaged. So when you notice it, you’ll need to change it.

The motor is too cold:

There is a misconception when a car’s thermostat fails, its engine will only overheat. Sometimes the engine can be too cold than usual. It is also a major symptom that your car thermostat is not working.

You should also take the necessary steps as soon as possible when you notice your car’s engine cooling abnormally. Excessive heat alone is not very bad for the health of an engine; being overcooled is also bad for an engine’s health.


A car thermostat is a vital part of your engine and car as it controls the temperature of your engine. Excessive temperature is terrible for all engines. After a fixed period, you need to change this cooling system called a car thermostat.

In this article, we have discussed in detail how long a car thermostat lasts. This article will help you know precisely when to change your car’s thermostat. We hope this article helps you a lot in keeping your car engine in good shape.

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