![]() ![]() Coolant/antifreeze can be extremely hot, and will retain its heat for hours after the engine was last running. Never start work on a cooling system flush when the engine is still hot or even warm. Now that you know the why and the when of flushing a cooling system, it’s time to show you how it’s done in eight simple steps. How to Flush Your Radiator and Cooling System: 8 Practical Steps Replacing old for new after a flush means you know exactly what’s in charge of protecting your engine. Knowing exactly what’s in your engine: If you buy a used car, it’s difficult to know what kind of coolant/antifreeze is in the system, its quality, and how often it’s been mixed with other fluids.Improved temperature and corrosion protection for the engine: Opt for a better-quality coolant/antifreeze following a flush, and you’ll better protect your engine from extreme temperatures and corrosion – helping with performance and improving its lifespan.This will extend the life of key components in the system. Lubrication: Replacing tired coolant/antifreeze with a new batch will lubricate moving parts in the cooling system, such as the water pump.A flush will rinse these out, for optimum performance. Removes harmful deposits and scale: Sludge and particles are common in the radiator and hoses, and can lead to more serious engine problems.What Are the Benefits of Flushing My Car’s Cooling System?Īpart from peace of mind, here are some of the benefits of flushing your car’s radiator and cooling system: ![]() ![]() Notice any of these signs and symptoms, and you should book your car in at the garage sooner rather than later to avoid a larger repair or breakdown. A Service Engine or Check Engine warning light.The engine temperature gauge slowly rising to the red zone.Cool air coming from the vents on a hot setting.A low coolant/antifreeze warning light on the dash.Common warning signs that could indicate bad coolant/antifreeze include: Of course, you may notice the signs and symptoms of poor coolant/antifreeze quality before you’ve even thought to check its condition. If it’s murky, cloudy or thick, it will need replacing. Open the reservoir and check the colour and consistency of the fluid. The easiest way to work out when to flush the cooling system is to regularly check the condition of the coolant/antifreeze in the reservoir. How Can I Tell When My Cooling System Needs to be Flushed? If your cooling system is running with the new Prestone coolant/antifreeze, you’re good for 10 years or 300,000 miles. If in doubt about when to flush your car’s cooling system, consult your vehicle handbook or the instructions provided by the coolant/antifreeze manufacturer. The right interval will depend on a range of factors – from the age and condition of your car, to the type of driving you do most often and the variety of coolant/antifreeze in the reservoir. Mechanics and car manufacturers all offer conflicting advice on how often to flush a cooling system. How Often Should I Flush the Cooling System and Radiator? Removing these deposits and restoring the corrosion protection is vital to a safe and fully-functioning cooling system, especially if you want to avoid unexpected breakdowns brought on by overheating, leaks or engine failure. Over time, inferior quality coolant/antifreeze can pick up particles from around the engine, causing corrosion which can lead to leaks and other expensive repair jobs. How to Use Prestone Cooling System Flushĭo I Need to Flush My Car’s Cooling System?.How to flush your radiator and cooling system: 8 practical steps.What are the benefits of flushing my car’s cooling system?.How can I tell when my cooling system needs to be flushed?.How often should I flush the cooling system and radiator?.Do I need to flush my car’s cooling system?.Before you wince at how much that’s going to cost at a garage, we’re here to offer practical guidance and advice on flushing the cooling system yourself – using Prestone Cooling System Flush to achieve professional results without the expense.Ĭlick the quick links below to find the information you need: If your coolant is getting old, your car has racked up the miles, or you’ve noticed a change in the colour and consistency of the coolant/ antifreeze in the reservoir, it’s time to flush the cooling system and replace the old fluid. That means it’s important to drain and refill the cooling system at the appropriate time or mileage intervals, ensuring optimum cooling performance and good engine health. A car’s cooling system relies on quality coolant/antifreeze that has been tested in extreme temperatures, and is free from dirt and particles that could hinder performance or lead to the corrosion of engine components. ![]()
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