How to Flush Your Radiator and Cooling System. A coolant pump, or water pump, circulates the antifreeze and water mixture between the engine and the radiator. After the coolant circulates. Why it’s important Since the heating system works off of the same coolant that circulates throughout your engine , performing a coolant flush and fill will also prevent overheating - the. A properly functioning engine cooling system circulates coolant through the engine and radiator , helping reduce heat levels, lubricating the water pump and protecting against corrosion.
Your vehicle even uses the cooling system to heat the passenger cabin. Prior to the coolant flush procedure, the coolant reservoir (aka surge or overflow tank) must be remove draine cleaned and reinstalled before refilling the system. Make sure you are putting safety first. Read this article before performing your coolant flush. Park the vehicle in a safe place, away from children and small animals.
Place a bucket under the drain valve at the bottom of the radiator. A cooling system flush essentially flushes out the entire system of contaminants and replaces the coolant mixture with fresh coolant and water. Keep in mind: Your mechanic will drain the flui clean the system with coolant cleaner, and use water to remove the remaining coolant.
