Cooling effect

Cooling effect is one function of engine oil.
The temperature inside the engine combustion chamber is extremely high.
Engine oil lubricates piston sliding parts and carries heat away to provide cooling while preventing seizure and high-temperature oxidation of the oil itself.
In this way, cooling effects are one of the most important functions of oil, in that, if the viscosity of the oil is too high or amount of oil supplied is too low, it may cause burning due to insufficient cooling.

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