Car oil is used to lubricate the moving parts of the engine, which helps to reduce friction and wear and tear. Oil also helps to cool the engine by absorbing and carrying away heat. It also helps to clean the engine by picking up dirt and debris and carrying it away.
When the oil is pumped through the engine, it flows through a filter, which removes any impurities and debris. The clean oil then flows through various passages and galleries within the engine, lubricating the moving parts and helping to keep the engine cool.
As the oil flows through the engine, it becomes contaminated with dirt, debris, and other particles. Over time, this can cause the oil to lose its lubricating properties and become less effective at keeping the engine clean and cool. That's why it's important to change the oil on a regular basis to ensure that the engine is always lubricated with

