Cars.com photo by Evan Sears. Vehicle maintenance schedules vary on how often the air filter should be changed. On most Chevrolet engines, for example, the recommended interval is every 45,000 miles, but Ford says it should be done every 30,000 miles on many of its engines.
North Riverside is a village in Cook County, Illinois, United States. As of the 2010 census, it had a population of 6,672.
Freeport, Illinois. Freeport is the county seat and largest city of Stephenson County, Illinois. The population was 25,638 at the 2010 census, and the mayor of Freeport is James Gitz, elected in 2013.