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There are many factors why the engine of a combustion vehicle may be overheating. Something as simple as driving with old oil or having a defective cooling system can cause the engine to not be at a normal operating temperature.
Driving an overheated vehicle can result in causing irreversible damage to the engine. High temperatures can cause the metal components of the engine to expand and even become more fragile. In the most severe cases, the engine can seize up completely, rendering the car useless.
Therefore, if you detect that your engine temperature is in the red zone (or there is some type of temperature warning on your vehicle’s dashboard), what you need to do is stop the car as soon as possible and turn off the engine to prevent further problems.
How long can you drive with an overheated engine?
Driving a car with an overheated engine is not safe, regardless of how long you do it. Extreme temperatures can severely damage the engine, and the likelihood of a fire or other dangerous situation increases the longer you continue driving.
If you notice signs that your engine is running at a temperature that is too high, such as steam coming from under the hood, or a temperature gauge in the red zone, it is essential that you pull over and turn off the engine as soon as possible.
In addition, it is essential to let the engine cool down before attempting to diagnose or repair the problem. In certain circumstances, it may be necessary to wait several hours before it is safe to examine or touch any of the engine components. For example, removing the cooling system cap while the vehicle is hot can cause very serious burns, as the liquid can shoot upward at a very high temperature.
If you are not sure how to safely handle an overheated engine, it is best to seek help from a mechanic or another qualified professional.
How long can a car overheat before suffering damage?
The time it takes for an overheated engine to suffer damage can vary depending on the degree of overheating and the properties of the engine. Every block is unique, so we cannot give you such a concise answer here.
Normally, an engine that continues to run at high temperatures for a prolonged period is more prone to suffering severe damage than one that overheats only for a brief period.
In addition, the exact temperature at which engine damage occurs can vary. Although some engines can withstand higher temperatures, it is generally not safe to run the engine above the normal operating range for a prolonged period.
Can you keep driving if your engine overheats?
Occasionally, there may be circumstances where stopping the car is not the optimal choice if it starts to overheat.
For example, driving on a busy highway, in bad weather, at night, or in a dangerous location may require you to continue driving until it is safe to turn off the engine.
In these circumstances, it may be best to drive in short intervals with long cooling periods until you reach a safe location.
Of course, you should know that driving with an overheated engine can lead to expensive repairs. In the worst case, you can end up rendering the vehicle useless.
If driving your car is not essential, it is best to avoid it altogether or limit its use to emergency situations until the root cause of the problem is resolved. Generally, the most sensible thing to do will be to call a tow truck.
How much does it cost to repair an overheating car?
The expense of repairing an overheated car depends heavily on the degree of damage and the nature of the necessary repairs.
If the damage is minor, such as replacing a damaged thermostat or topping up the coolant, repair costs can be relatively low, around a few hundred euros or less.
However, if the engine damage is more severe, such as a warped cylinder head or a completely seized engine, the repair expenses could easily rise to several thousands of euros. The bill can reach tens of thousands of euros for large-displacement engines or even vehicles that need a complete engine replacement.
It is important to keep in mind that repairing an overheated engine can be as expensive as the car itself. On many occasions, it is more cost-effective to buy a new or used car than to repair the current one if the damage is severe and the repair costs are high.
Conclusions
If you receive an engine overheating warning, stop the car as soon as possible. Although calling a tow truck may seem expensive to you, you should know that towing the vehicle may be the cheapest solution, because if you keep driving the car, you will most likely end up causing greater damage to the engine, which will translate into a higher repair cost.