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.
Northfield, IL Profile: Facts, Map & Data. Northfield, Illinois - Basic Facts. The Village of Northfield had a population of 5,537 as of July 1, 2016. The primary coordinate point for Northfield is located at latitude 42.1026 and longitude -87.7792 in Cook County. The formal boundaries for the Village of Northfield (see map below) encompass a land area of 3.21 sq. miles and a water area of 0 sq. miles. Cook County is in the Central time zone (GMT -6).