How to Remove A Car Battery

How to Remove Car Battery Advance Auto

Make sure to consider the Dangers and the Tasks of the Removal Process

Apparently, the question of how to remove car battery clamps and bolts in order to disconnect and lift out your old car battery has a few simple answers. You just have to disconnect the terminals in the right order, unscrew the nuts and bracket that hold the battery to the plate, and you’re all set. Unfortunately, it’s not usually going to be that simple, and you will need to keep in mind a few important safety considerations before you even start. The dangers of removing your old battery, coupled with the risks presented by corroded terminals will fully warrant the highest safety measures.

The Dangers of Removing Your Old Battery

The question is how to remove car battery connections and nuts with ease, without having to deal with the risk of a short circuit or a powerful electric arc. The answer will first have to do with having the right knowledge of the dangers and risks of removing your old battery. The battery is designed to release a high amount of electric current in a very short amount of time. This means that it’s actually possible to have cases where you accidentally cause a short circuit with a piece of jewelry, and have it melt in your hand. Another possible risk is that the corrosive, acidic leaks from your battery might touch your skin and cause severe burns. This issue can be avoided through proper care and wearing the appropriate safety gear.

How to Prepare for the Battery Removal Process

When it comes to knowing the details of removing your battery, it is essential to have good knowledge of all the preparation tasks. One of the first steps to take is to use zip ties to keep the battery cables in their proper place. Other restraints can be used as well, but you have to make sure the cables won’t touch by mistake and create sparks that could be potentially flammable. Along the same line, consider covering the positive cable end with a simple cloth, preventing it from creating any metal-to-metal connections with the other cable or any other components.

Why You Have to Remove the Negative Cable First

If you ask experts what is the most important detail you should remember about how to remove car battery parts, they’ll tell you to never forget that the negative cable has to be removed first. This is true because disconnecting the positive cable with the negative one still connected can easily cause a serious electric arc that may even be life-threatening. Even though some might argue that the battery only has 12 volts, a shorted car battery can actually generate several hundred amps in a short time, leading to a total power of more than a thousand watts.

Unfastening the Battery from Its Tray

Right at the end, when you think you know all about how to remove car battery connections, will be when the hard part comes. After disconnecting the battery you have to physically remove it. To do that, you’ll need to remove the securing bracket, which might be held together by nuts and bolts similar to the ones keeping the terminals connected. Using a wrench or pliers, you have to work on removing the screws or bolts, and then you may also require a socket with an extension before removing the battery.

Corrosion Problems and Your Car Battery

Corrosion can be a major issue, and it will require you to wear protective gloves, goggles and even clothing, if necessary. It will appear as a fluffy or powdery greenish-white deposit on the battery casing, terminals and cable clamps. Sometimes corrosion can actually eat away at the clamps themselves, making removal a real pain. Depending on how much corrosive material has built up on the terminals or leaked out of the battery, you will have to take special care with every task – from removing the cable ends, which may already be severely affected, to lifting out the leaking, old battery and making sure it’s removed safely. Figuring out how to remove car battery components and fasteners safely can be a difficult task, but one that you can easily complete with the right precautions and equipment.

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Last updated December 12, 2017

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