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WHAT IS A CABIN AIR FILTER?
Many car owners don’t even realize that such a part exists in their vehicles, much less if it ever needs to be changed. But, no matter if they know it or not, a cabin air filter is an essential part of your car’s ventilation system that removes pollutants from the air before they get inside the passenger compartment. They were originally designed to remove solid contaminants like dust and soot from circulating inside your vehicle, but can now also absorb gases and odors. Cabin air filters may also be know as passenger compartment filters, interior ventilation filters, pollen filters or dust filters.
WHY ARE CABIN AIR FILTERS USED?
It is an undisputed fact that roadways (especially major highways, especially during rush hours) are some of the major sources of air pollution. Therefore, as you are driving, you are forced to breathe the air tainted with exhaust fumes, dust and soot particles, many of which may pose a serious hazard to your health. The cabin air filter is there to prevent all those pollutants from entering the passenger compartment.
HOW OFTEN SHOULD YOU CHANGE THE CABIN AIR FILTER?
Eventually, a cabin air filter starts to lose its effectiveness, as it gets dirty with use. This may result in unpleasant odor, and decreased heating and air conditioning performance caused by restricted airflow through the filter.
It is recommended to replace the cabin air filter at least once a year or every 15,000 miles – more often if your vehicle is operated primarily in areas of heavy pollution or dusty conditions.
WHAT IS AN ENGINE AIR FILTER?
An engine air filter is an important part of a car’s intake system, because it is through the air filter that the engine “breathes.” An engine needs an exact mixture of fuel and air in order to run, and all of the air enters the system first through the air filter. The air filter‘s purpose is to filter out dirt and other foreign particles in the air, preventing them from entering the system and possibly damaging the engine.
This critical member of the performance system requires careful attention if the engine is to operate at peak performance and deliver maximum fuel efficiency. The air filter screens out harmful dirt and grime that would otherwise find its way into the engine. This grit can and does cause internal engine wear. It can score cylinder walls and stick to close-tolerance mating surfaces, and cause bearing and lubricating surface wear. Carmakers suggest keeping a close eye on the air filter; hence their recommendation of aggressive inspection every 6,000 miles.