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Most vehicles can be treated for less than ten dollars. Any cleaning liquid left will be very dilute and, as it's compatible with antifreeze, it doesn't cause a problem. Finally, the radiator is refilled according to the vehicle manufacturer's specification. It's added to the radiator, the engine is run for around half an hour so the product can do its work, then it's flushed through with clean water. Few, if any, acids are used, so they work without damaging the components of the cooling system. The liquid is made up of cleaning agents designed to break down stubborn deposits and to thin oils and sludge. There are several overlaps, so we need to look at the benefits of each. There are three products that fall into the radiator fluid category: They’re a vital part of engine maintenance - as important as regular oil changes. Importantly, while they attack the materials that cause obstructions, they leave rubber and plastics (which are present throughout the cooling system) untouched.īottom line? Radiator cleaning fluids help maintain engine efficiency and extend engine life. Radiator cleaning fluids work a lot like drain cleaners: they dissolve the deposits so they can easily be flushed from the system. Because your radiator is made of thin tubes, it's the area most prone to blockage – and that causes your engine to overheat. Deposits start to build up in the numerous nooks and crannies. As a result, small particles pollute your coolant system, and you end up with a variety of gunk being pumped around your engine. All moving parts create friction, and though lubricants reduce the effect, some wear is inevitable. Many antifreezes contain corrosion inhibitors which help, but nothing stops the process entirely. While aluminum doesn't “rust” in the same way as steel, a chemical reaction called electrolysis means it still corrodes eventually. Modern motors use aluminum where possible it reduces the problem but doesn't solve it completely. Why do you need radiator cleaner fluid?Īny system with water in it is eventually prone to corrosion, especially when steel components are involved. It's about keeping your coolant system healthy and maximizing the life of your engine. Leading formulas may be in stock at a nearby store location, and some formulas are eligible for home shipping as soon as the next day.You might notice little or no improvement in performance after a radiator flush. You can find the lowest prices on radiator additives and flushes when you shop at AutoZone in store or online. In general, you should perform a coolant flush every 30,000 to 40,000 miles or at the frequency recommended in a vehicle owner's manual. These solutions are most effective in a clean radiator and cooling system. Many additives also reduce the likelihood that corrosion or other deposits may develop and inhibit the flow of coolant throughout the system.Ĭompare additive applications and features to determine which formula is right for the cooling system in your car or truck.
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Some solutions may result in an engine operating temperature that is up to 20 degrees Fahrenheit lower than with standard coolant. Find out whether the additive you plan to use is safe for the cooling system in your car or truck.Īdditives can increase the effectiveness of a cooling system by reducing the surface tension of coolant. One metal or the other may be better suited for use with a vehicle make. Some stop leak treatments combine metals such as liquid aluminum or copper with coolant. Specialized stop leak formulas or sealers are available for every part of the cooling system from hoses to the head gasket and radiator. Search for radiator additives and flushes near me to see formulas in stock at the closest AutoZone store location. It is important to stop leaks as soon as possible. If the cooling system or radiator in your vehicle has begun to leak, a stop leak treatment may be able to seal the leaks and prevent the engine from overheating. Leaks can be another common radiator and cooling system issue. A low concentration of coolant may also lead to corrosion. Any type of debris in a cooling system can cause build up and blockages to form that limit the effectiveness of the cooling system. As coolant becomes more contaminated, the cooling system may not be able to maintain safe engine operating temperatures. Freezes or overheating can both cause significant damage to critical components. Maintaining the cooling system in a vehicle can help to ensure that the engine runs efficiently at a safe operating temperature. AutoZone makes it easy to compare the best radiator additives and flushes for cars and trucks from brands such as Bar's Leaks, BlueDevil, Prestone and Royal Purple. Radiator flush or cleaner works by eliminating corrosion and debris that can impede the flow of coolant through the system. The radiator and cooling system in a vehicle require regular maintenance to efficiently reduce engine heat.