How Often Should I Replace My Air Filter?

It's hard to give a specific time or mileage figure because the life of the filter depends on how much it ingests. A filter that lasts 20,000 or even 30,000 miles on a vehicle that's driven mostly on expressways may last only a month or two in a rural setting where the vehicle is driven frequently on gravel roads. Changing it annually or every 15,000 miles for preventative maintenance is a good recommendation for the city driver, but not its country cousin.  At Hogan tire we recommend that your air filter be inspected every 15,000 miles.

Regardless of the mileage or time, a filter should be replaced before it reaches the point where it creates a significant restriction to airflow.  Fuel economy, performance and emissions begin to deteriorate and get progressively worse until the dirty filter is replaced.

Removing the filter and holding it up to a light will show you how dirty it is.  Trying to shake or blow the dirt out is not recommended because much of the dirt is embedded in the filter fibers.

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