Moisture and combustion byproducts mix with the oil, causing it to become acidic, which can corrode engine internals. The Critical Role of Engine Oil Engine oil performs a multitude of vital functions that keep your powertrain alive.
Why Replacing Your Oil Filter Is Just as Important as the Oil Change
As it performs these duties, the oil itself degrades. Beyond lubrication, oil acts as a cleaning agent, suspending contaminants and dirt particles so they can be filtered out.
Most modern vehicles are equipped with sophisticated engine management computers and are designed to run efficiently much longer between services. This rule of thumb was largely based on the technology of older engines and the type of oil available at the time.
Don't Forget the Filter: Replacing Your Oil Filter With Every Oil Change
Modern Recommendation For decades, the automotive industry and quick-lube shops promoted a rigid schedule of changing oil every 3,000 miles or three months, whichever came first. This clear, golden fluid is the lifeblood of your engine, reducing friction, cleaning internal components, and managing heat.
More About How often should you change your car oil
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