How long does a radiator flush and fill take?
How long does a radiator flush and fill take? How long does it take to flush a radiator? A trained mechanic can perform a radiator flush in about 30 minutes using a commercial coolant flush and fill machine. Without a machine, a radiator flush takes about two hours. What's the best way to flush a radiator? Turn your vehicle on with the heat on full blast for 5 minutes. Turn the key in the ignition so the engine starts. The cleaner and water will work its way through the entire cooling system of your car to remove any residue of...