Changing the engine oil of cars and motorcycles at regular intervals is important for several reasons:
Lubrication: Engine oil lubricates the moving parts within the engine, such as the pistons, bearings, and camshafts. Over time, the oil can break down and lose its lubricating properties, becoming less effective at reducing friction and preventing wear and tear. Fresh oil provides optimal lubrication, ensuring that the engine components operate smoothly and minimizing damage caused by metal-to-metal contact.
Heat dissipation: Engine oil helps in dissipating heat generated by the engine. As the oil circulates through the engine, it absorbs heat and carries it away, helping to maintain the engine's operating temperature within a suitable range. Over time, the oil can become contaminated with dirt, debris, and combustion by-products, which hinder its ability to dissipate heat effectively. Regularly changing the oil removes these contaminants and allows fresh oil to efficiently carry out its heat dissipation role.
Contaminant removal: Engine oil also acts as a cleaning agent, collecting and suspending contaminants, such as dust, metal particles, and combustion by-products. However, as the oil ages, it reaches a saturation point where it can no longer hold these contaminants effectively. If the oil is not changed, these particles can accumulate and form sludge, which can lead to engine damage, reduced performance, and increased fuel consumption.
Additive depletion: Engine oils contain additives that enhance their performance and protect the engine. These additives include detergents, dispersants, anti-wear agents, corrosion inhibitors, and viscosity modifiers. Over time, these additives become depleted, diminishing their effectiveness. By changing the oil, fresh additives are introduced, ensuring that the oil maintains its protective qualities and extends the engine's life.
The recommended oil change interval varies depending on factors such as the vehicle manufacturer's guidelines, driving conditions, and the type of oil used. Regularly changing the engine oil according to the recommended schedule helps ensure optimal engine performance, prolongs the engine's lifespan, and reduces the risk of costly repairs due to engine damage.