What is the primary function of the lubrication system in an engine?

The primary function of the lubrication system in an engine is to provide lubrication, sealing, cooling, and cleaning. Effective lubrication minimizes friction between moving parts, which is essential for reducing wear and tear and increasing the engine's overall efficiency and lifespan. The oil in the lubrication system forms a protective film over these components, helping to seal gaps and prevent contaminants from entering critical areas of the engine.

Moreover, the oil acts as a cooling medium by absorbing heat generated from friction and combustion, thereby helping to regulate the engine's operating temperature. Additionally, the oil picks up debris and contaminants, helping to keep the engine clean and ensuring that components operate smoothly. Collectively, these functions highlight the crucial role that a well-maintained lubrication system plays in engine performance and reliability.