Posted on 9/26/2025

Many drivers see oil changes as routine maintenance and not much more. But this task does a lot to protect your car from long-term problems. Delaying an oil change may not seem like a big deal at first. The car still runs, and there may be no warning signs right away. Over time, though, putting off oil service can lead to serious damage, not only to the engine but to other parts of the vehicle as well. What Happens When Oil Gets Old Engine oil is responsible for lubricating the moving parts inside your engine. It also helps reduce heat, clean out debris, and prevent corrosion. As the oil ages, it loses these qualities. It becomes thicker, collects more contaminants, and stops flowing as well as it should. This makes it harder for the engine to stay cool and protected. Old oil also begins to break down from heat and pressure. It can turn into sludge, a sticky substance that clogs oil passages and restricts flow. This sludge builds up around parts like the crankshaft ... read more