In June of that same year, Virginia ratified the Constitution, and New York followed in July. On February 2, 1790, the U.S. Supreme Court held its first session, marking the date when the government was fully operative. Rhode Island, the last holdout of the original 13 states, finally ratified the Constitution on May 29, 1790.
How Often Should You Flush Your Brake Fluid. You should flush the brake fluid in your car at least once a year to maintain peak performance. This is important because proper braking performance is crucial to safety. Properties of Brake Fluid.
As with all auto services, let your carâs ownerâs manual dictate how often you need a flush. But as a general rule, Kauffeld recommends a coolant service about every 30,000 miles or five years, whichever comes first. Brad Updegraff, owner of Auto One Complete Car Care in Round Rock, Texas, recommends a coolant flush every 30,000 miles or three years.