Posted on 4/8/2026
Why Regular Oil Changes Matter | Don's Auto Service Derby VT At Don's Auto Service in Derby, VT, we see it all the time — engines that run smoothly for years and others that suffer from preventable damage. One of the biggest differences? Regular oil changes. Engine oil is the lifeblood of your vehicle. It keeps everything inside your engine working the way it should. Over time, though, oil breaks down, gets dirty, and loses its ability to protect your engine properly. That’s why staying on top of oil changes is one of the smartest and most cost-effective maintenance steps you can take. What Does Engine Oil Actually Do? Fresh, clean oil performs several critical jobs at once: Lubricates moving parts — It reduces friction between pistons, bearings, camshafts, and other high-speed components so they don’t grind against each other. Cools the engine — Oil helps carry heat away from hot areas, preventing overheating and warping. Cleans the engine ... read more