Texas Auto Repair

Putting off an oil change feels harmless at first. The engine sounds fine, the car still starts, and the dash is not yelling at you. The problem is that oil ages quietly. It loses the chemistry that protects metal parts, and contaminants begin to stack up inside the engine. Wait long enough, and what used to be a quick service turns into noisy start-ups, leaks, and expensive repairs you never planned for. What Fresh Oil Actually Does Inside the Engine Motor oil is more than a slick liquid. It forms a thin film that keeps metal parts from touching, carries heat away from the hottest zones, and suspends tiny particles so the filter can catch them. The additive package inside the oil does heavy lifting by neutralizing acids, preventing corrosion, and keeping varnish from sticking to passages. When that package is used up, the oil still looks like oil, but it cannot protect the way it did on day one. Why Old Oil Breaks Down Every heat cycle changes the ... read more