F.A.Q

We have answered the frequently asked questions for you.

You can take a look at the answers to the topics and questions that XENOL users are most curious about.

Engine oil adheres to the entire engine's moving parts and forms a thin film, reducing friction and wear, which means more power is transferred to the wheels, allowing for easy movement. Engine oil helps to clean the engine by means of the detergents it contains, protects against rust and also helps to reduce some of the excessive heat around the cylinders to the crankcase.
Engine oil is like blood circulating in your veins for your car's engine. Therefore, choosing the wrong engine oil may cause some undesirable problems such as wear, corrosion and deposit formation. You will be able to prevent such problems that may occur in your engine by choosing the appropriate engine oil for your vehicle.
While the vehicles used every day are subject to changes in a shorter time, if the vehicle is used infrequently, the engine oil will last longer. The fuel savings that come with the use of the right oil also affect the choices. As the usage situation in vehicles may be different, it is recommended to change the engine oil together with the oil filter after 10-15 thousand km. Thus, the performance of the vehicle can be increased. In addition, the engine oil is selected according to the climatic conditions in which the change is made. It will be much better to use synthetic oil in cold seasons.
It is produced by adding the necessary additive packages into the base oils obtained by re-refining the bottom product obtained by distillation of crude oil. They are generally cheaper and offer average performance.
It is produced by adding the necessary additive packages into synthetic base oils obtained by various chemical processes under laboratory conditions. Synthetic base oil, which is the raw material of synthetic oils, has a high cost because it is produced through intensive processes with advanced technology. However, they provide both better performance and longer use. It has high thermal endurance. They perform their lubrication duties for longer periods and are more resistant to higher and lower temperatures, high pressure and strain.
To minimize the friction between two metal surfaces.
It is resistance to fluidity. Its unit is mm²/s or Centistoke (cSt), expressed at a certain temperature.
It is a chart that shows how much an oil will thin under high heat conditions and what kind of performance changes will occur. The higher the viscosity index figure, the less thin the oil will be under high temperature conditions.
Brake fluid is the fluid that transmits the force generated when you press the brake pedal to the brake system and provides braking. It is used to transfer force to pressure and increase braking force.
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