Posted on 9/1/2024
While many components of your vehicle are complex and composed of lots of mechanical and electrical parts, there's one that isn't complicated but still important. It's your engine air filter. (And, we should point out, the engine air filter isn't to be confused with the cabin air filter. The cabin air filter cleans air that goes into the passenger compartment while the engine air filter cleans air that goes into the engine itself.) Why does your engine need a filter? Think of all the stuff–dirt, dust, and debris in the air¬–that gets kicked up on the road. If that were to go unfiltered into your engine, it could damage other components. There are many different materials used in an engine air filter, including paper, cloth (frequently cotton), and other synthetic fabrics. The material is usually folded tightly to maximize the filtering capability over a relatively small surface. Before computers were employed to determine the proper mix of ... read more
Posted on 4/19/2011
Today we want to talk about your engine air filter. That’s the filter that cleans the air before it’s burned in your engine. People wonder how often they should change their engine air filter. The simple answer is when it’s dirty. That’s a function of how much air has passed through the filter, so your manufacturer will recommend a mileage interval for replacing the air filter. But you can imagine that how dirty the air is would affect how quickly the filter gets filled. If you drive where there’s lots of dust, pollution or pollen, your engine air filter will get dirty more quickly and need to be changed sooner. That’s why we check the air filter with every full-service oil change. We can visually tell if the filter needs to be changed. Your filter can only hold so much dirt. Once the filter is full, dirt will pass through to the engine. This dirt gums up the combustion chamber and hurts fue ... read more