The Best Guide to Clean and Remove Car Battery Corrosion

The Best Guide to Clean and Remove Car Battery Corrosion - Lokithorshop

Corrosion on the car battery terminal can reduce the efficiency and service life of the car battery, which will cause you to encounter some problems when using the car. This article will guide you on how to clean and remove battery corrosion:

In fact, you can eliminate corrosion from your car battery very easily. Simply disconnect the cable carefully, apply a cleaner, wipe away the corrosion, rinse, wipe the battery dry, coat with a corrosion-resistant substance, and reconnect the cable.

The best guide to clean and remove car battery corrosion

There are many ways to clean battery corrosion for your car, such as cleaning it with a battery cleaner or cleaning it with baking soda and hot water. No matter which method you choose, precautions must be taken before and after cleaning. Either of these methods can be done with corroded battery easily. Now a detailed instruction is given here to illustarte how to clean battery corrosion step by step

Step 1: Make sure your car is turned off.

Your car must be turned off before cleaning the car battery. To be safe, perform this step because you will be touching the battery. It also protects cables from accidental grounding.

Step 2: Disconnect the battery with the negative terminal first.

Use a wrench to disconnect the negative terminal and avoid letting the wrench come into contact with the positive side as it may shock you. Do the same for the positive terminal.

Step 3: Check for damage to the battery.

If you notice any cracks, dents, or warping with your battery, cleaning the corrosion may not do you any good. It’s time to shop for a replacement.

Step 4: Clean off the corrosion with baking soda with hot water or a cleaning agent.

When dealing with battery corrosion, you can either go for a battery cleaning agent or baking soda plus hot water. Just find and follow the steps for whatever method you choose below.


Option # 1- Use baking soda with very hot water. Thoroughly mix one tablespoon of baking soda with a cup of hot water. With an old toothbrush, dip your brush into this solution and rub in corrosion. If corrosion is too difficult to remove, consider buying a battery terminal cleaning brush. Or after creating a solution, you can apply it by pouring a little directly on the corrosive area and rubbing a toothbrush or brush the battery terminal cleaning.

You can also pour and coat baking soda on the areas with corrosion. Then you would pour the water slowly on the battery. Afterward, scrub off the corrosion with a toothbrush or battery terminal cleaner brush.

Additional tip: If your battery clamps are corroded, you can let them soak in your baking soda solution for a few minutes. Thereafter, scrub them. Repeat if necessary.

Option #2 – Using a Battery Cleaning Agent. On the corrosion found on the battery, terminals, and cable, apply the cleaning agent. Be careful not to let the cleaning agent touch the car’s paint, as some cleaning agents can create a permanent stain.

Let the cleaning agent soak on the corrosion for a few minutes. Then scrub out the corrosion with a toothbrush or battery terminal cleaner brush.

The best guide to clean and remove car battery corrosion

Step 5: Completely dry the battery.

Water and electricity do not associate well, so make sure the battery and the terminal are completely dry before reassembling it.

Step 6: Change clamps that begin with the positive terminal.

This step is the opposite of step 2. Start with the positive side then move to the negative. Don't forget to watch where your wrench is moving.

Step 7: Start your vehicle and make sure it starts normally.

If not, you need to buy a replacement. If it starts alright, consider testing your battery. The possibility is, if it builds a lot of corrosion, it starts to grow old and you have to realize how long your battery can continue to last.

A small number of corrosions will not prevent your car from most cases. But if that happens, the battery terminal cleaning and clamps may not be much, and you must first test the battery of your car to find out what the real problem is. Also, if you buy your battery more than 3-4 years ago, it might be towards the end of the service life, even if it seems still functioning properly.

In conclusion, it is very important to keep the car battery free from corrosion to keep the car in good working condition. Thankfully, the procedure for cleaning your car's battery is easy to follow. It just takes a few simple steps and some care.

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Recommended reading: Is Red Negative or Positive on a Car Battery?


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