This will allow the engine to cool. Before moving on, make sure the engine feels cool when you touch it. The water and cleaner will stay hot after it runs through your car and touching it could hurt.
Drain the radiator by opening the pressure cap and petcock. Check that your drainage pan is directly under the petcock to catch the distilled water and cleaner. There is a chance that the water will come out rust-colored or brown after flowing through your cooling system. Pour tap water in the radiator to flush it. Continue pouring in one gallon of tap water, run your vehicle with the heat on and drain it once it has cooled.
Once you notice that the water is running clear, then flush the radiator one final time using distilled water.
Do not use tap water for this purpose, as tap water contains minerals that could lead to premature rusting of your cooling system. This is how you do it: Create an antifreeze and distilled water mixture.
Mix a half-gallon of distilled water with a half-gallon of antifreeze. Pour the antifreeze first, and make sure to pour it from the side of the spout so that no spillage will occur. Then, add distilled water. Add the mixture to the radiator where the pressure cap was removed. Pour it in with a funnel to make sure all that all of the solution gets inside. Pour it slowly, as the liquid could easily back up into your funnel.
Make sure that you fill your radiator up to the fill line. Start the car to pull the liquid through your system. When the funnel is empty, take it out and screw the pressure cap back on. Let your vehicle run for roughly 15 minutes. This will allow the antifreeze to be pulled through your entire cooling system. Turn your engine off and allow your vehicle to cool for about 15 minutes, and then remove the pressure cap once again.
Make sure the antifreeze is up to the fill line in the radiator. It helps inhibit scale and rust and even seals leaks. Subscribe to updates. This field is for validation purposes and should be left unchanged. Subscribe for the Best Product Info and Deals! All rights reserved. Exact matches only. Search in title. Search in content.
Search in excerpt. Email that matters. What Does a Radiator Flush Do? Open the radiator cap and coolant reservoir cap. Place the container you will use to catch the flushed antifreeze underneath the drain. Once the container is properly situated, open the drain. Gravity will do the rest, forcing all the antifreeze to flow out into your container. Pour in your radiator flush as directed and fill the rest with water to about an inch below the top of the radiator opening.
This is the highest-performing radiator cleaner and flush you can buy — a proven formula that cleans the entire system in 30 minutes or less.
Close the caps and run the engine for ten minutes or so with the heater on full blast. Allow the engine to cool down, then drain the radiator again, refill the system with water and repeat the process. Drain the radiator again, and this time add your antifreeze. All of our Hy-per Lube products are formulated with the newest cutting edge technology available.
As Seen On. So how do you know if you need a coolant flush? Here are the top signs of this needed service, brought to you by the mechanics at Chapel Hill Tire. If you find that your temperature gauge is always high and your engine is frequently overheating, chances are that you need a coolant flush.
Allowing your engine to overheat can cause serious, costly problems, so it is best to visit a mechanic at the first signs of temperature issues. One distinct sign of a needed coolant flush is an engine smell that may remind you of pancakes.
Antifreeze contains ethylene glycol, which is known for its sweet-smelling properties. As your car burns through coolant, it can put off smells that drivers often compare to maple syrup or butterscotch. You should also check the two hoses running from the radiator to the engine feed and return for any signs of damage or leaks. Make sure the container you choose is large enough to catch all the fluid which drains from the radiator and cooling system.
Place it directly beneath the drainage valve, which is usually attached to the bottom of the radiator on the left or right-hand side. The valve should have a bolt at the end, which is often covered by a plastic top that can be easily removed with a screwdriver. Wearing gloves, twist open the bolt on the valve you may need to use a socket and ratchet, or a spanner.
Then, start the engine and leave it running for 15 minutes. Wait for the engine to cool fully, then repeat the steps above to drain the water from the system. Instead, run the engine for 15 minutes with the interior heater turned on to maximum. This will bleed any air pockets from the radiator before you reseal the system with the pressure cap.
Remember to keep an eye on the level over the next week or so and top-up to the fill line if required. Developed to offer a superior flush, our powerful flush formula eliminates scale, corrosion and oil contamination — helping to maintain parts and performance in the long term.
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