Why Change Engine Oil During Car Maintenance?

[HarmonyMarie]

Engine oil serves four primary functions: cooling, lubrication, cleaning, and sealing, playing a crucial role in ensuring the proper operation of the engine. As the engine operates over time, the oil becomes contaminated due to factors such as high-temperature oxidation, wear particles from mechanical components, and fuel vapor corrosion. Additionally, if the oil level falls below the specified minimum and affects engine performance, it can cause severe damage to the engine. Therefore, it is essential to change the engine oil during routine car maintenance.

[VonReid]

I use my car daily for commuting, and my driving experience tells me that regular oil changes are of utmost importance. Engine oil acts as both a lubricant and coolant for the engine. When fresh, it flows smoothly, protecting internal metal components like pistons and bearings from friction and wear. Over time, the oil accumulates dust, combustion residues, and metal particles, gradually becoming dirty and thicker, significantly reducing its lubricating effectiveness. Once, I was too busy with work and delayed the oil change for 5,000 kilometers. The engine started making unusual noises, and I felt a lack of power when climbing hills, which eventually cost me thousands in repairs. Regular oil changes not only keep the car running quieter and more fuel-efficient but also prevent major repairs and extend the vehicle's lifespan. Experts recommend changing the oil every 5,000 to 10,000 kilometers, depending on driving conditions and oil type. This habit saves both hassle and money—why not do it?

[OLeilani]

After tinkering with cars for so many years, I deeply understand that changing engine oil is no trivial matter. Fresh oil plays multiple roles in the engine: lubricating metal surfaces to reduce wear, carrying away heat to prevent overheating, and cleaning up carbon deposits and impurities. However, over time, the oil oxidizes and deteriorates, becoming thick and dirty, which weakens its protective properties and accelerates component aging. Checking the oil's color and viscosity during changes can help detect issues early. For instance, sludge buildup can clog oil passages and affect heat dissipation. With each fresh oil change, the engine runs smoother, naturally reducing fuel consumption. If car owners neglect this, the engine may fail prematurely, leading to costly repairs. Regular maintenance is a smart choice that can prevent unnecessary troubles.

[LeSophie]

I'm a financial expert and consider oil changes as a long-term investment. Engine friction is high during operation, and fresh oil acts like blood for lubrication and cooling; dirty oil accelerates internal wear, skyrocketing repair costs. Regular oil changes boost efficiency and save fuel expenses—replacing every 5,000 kilometers is like spending small to prevent major disasters. In the long run, protecting your car means protecting your wallet.