How to Flush a Car Radiator With Vinegar

No matter how good your car and the brand are, some parts in the car should be cleaned efficiently over time. The radiator is one such important part that needs to be cleaned periodically. A clogged radiator can do more harm to your car than you could ever imagine.

Cleaning radiator is not easy, while cleaning other parts of the car might be easy, radiator cleaning is complex. As of today, there are more than 3 or 4 efficient methods to clean the radiator thoroughly. However, most of these methods are time-consuming and require expensive cleaning agents such as car radiator flush. Among these methods, cleaning with the vinegar could be considered the cheapest and one of the most efficient methods. Here is how to clean the car radiator with vinegar.

Flushing is the most commonly used and efficient method that could clean the radiator, but, if it is not done in the right way, the so-called cleaning efficiency could not be acquired. So follow the steps mentioned below.

How to Flush a Car Radiator With Vinegar

Step 1: Place a large pan under the radiator so as to collect the drained coolant. Make sure the coolant does not spill as it could be poisonous. Always remember, not to throw away the coolant fluid carelessly, Google to find out where to dispose of the coolant fluid in your locality.

Step 2: After you place the pan under the radiator, you need to open the radiator cap on the top. Only after opening the radiator cap, you should open the radiator drain valve. Remember, if you without opening the radiator cap, even if you open the drain valve, you would be able to drain the coolant. Before you drain the coolant fluid, it is very important that you make sure the engine is not hot, if the engine is hot and the radiator running, there is a high chance that coolant fluid might spill/splash over your body and cause burns. If the engine and radiator are hot, wait till it cools down. It would take around 2 to 4-hours for the engine to cool down.

Step 3: Once the coolant starts draining, leave the process to complete for at least 30 to 60-minutes. This could ensure the entire coolant is drained.

Step 4: After the whole coolant is drained, you need to close both the drain valve and the radiator cap, and then, fill the radiator tank half with water, then add 4-liter of white distilled vinegar into it. Now, you need to add more water to fill the radiator tank.

Step 5: Now, you need to start the car and then let it run so that the radiator starts to circulate the vinegar-water solution. Allow the car to run for at least 10-minutes.

Step 6: Turn off the ignition and let the water-vinegar solution stay in the radiator for at least 12-hours.

Step 7: After 12-hours, you need to open the radiator cap and then open the radiator drain valve to drain the water-vinegar solution. While the solution is draining, you need to pick up a hose and then flush water out of the radiator. Remember, the higher the force of water you flush, the cleaning efficiency would be better.

Also Read: 5 Best Ways to Maintain Your Car’s Radiator

Once you have completely flushed the radiator, you could leave the car for 2-hours and then fill the coolant. Remember, after cleaning, it is important that you leave the car unused for some time and refill the radiator with the right coolant. We would recommend that you do not reuse the coolant drained once, always fill in new coolant oil to ensure maximum efficiency.

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