Engine oil plays a crucial role in engine health. This vital fluid should be able to easily move around the internal parts of the engine in the ducts. By reducing or increasing the temperature, the resistance or, in other words, the softness and rigidity of the oil is affected; as a result, temperature changes can affect the health of the engine and its performance by changing the behavior of the oil.
Among some vehicle owners, it is believed that changes to the seasons and the increase or decrease of air temperature should necessarily involve replacing the oil. These people believe that each season has its own engine oil and should be used for the proper season. In the present article, we intend to address this issue in general and finally answer the question posed in the title.
In order to determine the internal friction or resistance to the flow of fluids, a unit called viscosity or expensive zinc is used.The higher the viscosity of the fluid, the higher the viscosity, the more fluid it flushes. You can imagine honey for better understanding; it has a higher viscosity than other fluids like water.
At colder temperatures, engine oil tends to increase viscosity.In this state of motion, it becomes harder and, in acute cases, can not perform well with the task of lubricating and creating a layer on the surfaces.
To deal with these conditions, special oils have been made.These oils also retain their properties at low temperatures and are not too thick or, in other words, hard. But one thing, with increasing temperature, these oils are very thin and diluted and this time due to this feature may not be able to perform their duty properly.
Due to the many improvements that have been made so far, engine oils have been much better off than before. This means that some of them adapt better with temperature changes and adapt themselves to the conditions.
These oils are known as multi-viscosity. As the air cools down, the weight of the multi viscosity oils is reduced to facilitate their movement inside the engine.
In the event of warming in the spring and summer season, the weight of the multi viscosity oils increases to be more appropriately protected from engine components.
The viscosity of these types of oils is usually determined by the SAE (Auto Engineers Association) standard with two numbers. The first number, which is associated with the letter W, is derived from the word Winter (Winter) and shows the oil index for cold days. The second number, which usually has a large difference with the first number, represents the index of oil for the warm days of the year.
For example, the following engine oil, the 10W30 code on its container, is made so that it remains flowing and current in accordance with the SAE standard up to -30 ° C; this oil can also be maintained up to a 30 degree ambient temperature protection engine Slowly Any oil that has such specifications is ideal for operating vehicles in most geographic regions.
If indicated on the 20W50 oil, it means that the oil has the ability to maintain and protect the engine at much higher temperatures than the oil. These types of engine oils are usually synthetic and used in racing cars that work due to high pressure at high pressures.
It is worth noting that synthetic motor oils are more refined than conventional ones and added to the additives to improve their function.
For a better understanding of the indicators, you can see the maximum and minimum ambient temperatures in the table below, in which engine oil is maintained in accordance with SAE’s standard.
The important thing is that different engines require different oils. Therefore, to ensure optimum conditions for engine operation, oils that are recommended by the manufacturers should be used.
Now, if we want to answer the question posed in the title, we need to say that this depends on the amount of oil that is currently in the engine. If the specifications of this oil are compatible with the temperature of your living area, you do not need to be replaced just because of the summer.
In addition to choosing the right engine oil according to the SAE quality and standard levels, it is clear that the timely change of engine oil also plays a key role in maintaining engine health.