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How Do You Clean Corroded Battery Terminals On Your Vehicle – Read This Before Replacing Your Battery!

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Does your Vehicle have Corroded Battery Terminals, or Battery Posts? If you do, you’re not alone. It’s pretty common to see this, when dealing with Vehicle Batteries. If this sounds familiar, you need to as the question, “How do you clean corroded battery terminals, on your Vehicle?”.

In short, you need two items, to clean you corroded Battery Terminals, and Battery Posts. You will need a good Battery Terminal Cleaner Spray, and a Battery Terminal/Post Cleaning Brush. You use the Battery Terminal Cleaner Spray, to remove the excess corrosion, and the Battery Terminal/Post Cleaning Brush, to remove the remaining dirt, corrosion, and oxidation, from the Battery Terminals, and Battery Posts.

We have all been there, at one point, or another. You’re on your way out the door, usually running late. You get in your Vehicle. You get all of your things situated. You put your key in the ignition. You turn the key, or press the Start Button, if you have Keyless Ignition, and “click, click, click”!

Ugh, your Vehicle won’t start. Your first suspect that the Battery is dead, and that it needs to be replaced. To be honest, this may be true. Unfortunately, the Battery in your Vehicle will most likely cost you anywhere from $100 – $200. You owe it to yourself to check all other possible options, before taking the plunge, and replacing your Expensive Battery.

There are three possible reasons why your Vehicle won’t start. It could either be a Dead Battery, a Mechanical Failure, or Corroded Battery Terminals. If you try cleaning your Battery Terminals first, even if they don’t look corroded, you may save yourself the cost of replacing the Battery.

In most cases, corroded, dirty, or loose Battery Terminals are the reason for your Vehicle not starting. In this article, we will teach you how to clean corroded battery terminals on your Vehicle.

Disconnect Your Battery Terminals

A Battery Terminal is like a clamp, which clamps onto the Battery Post. The Battery Terminal has a Bolt, and Nut, which allows the Terminal to tighten, and loosen, onto the Battery Post. Before you do anything, you need to disconnect your Vehicle’s Battery Terminals, from your Battery.

Note that you must always disconnect the Negative (Black) Battery Terminal first. If you don’t, you risk the chance of shorting out the Positive (Red) Terminal against the Vehicle’s Body, which is the same as shorting it against the Negative (Black) Battery Terminal.

To disconnect the Negative (Black) Battery Terminal, you will need a Ratcheting Socket Wrench. Using the appropriately sized Socket, loosen the Negative (Black) Battery Terminal’s Bolt & Nut. This will loosen up the Negative (Black) Battery Terminal, so you can wiggle it off of the Negative Battery Post.

Next you need to disconnect the Positive (Red) Battery Terminal. Using the same Socket, loosen the Positive (Red) Battery Terminal’s Bolt & Nut. This will loosen up the Positive (Red) Battery Terminal, so you can wiggle it off of the Positive Battery Post.

Helpful Tip: If any of the Battery Terminals will not wiggle off their respective Battery Post, after loosening the Battery Terminal’s Bolt & Nut, you can wedge a large Flat-Blade Screwdriver between the Battery Terminal’s split opening, to help spread the Terminal apart.

Inspect Your Battery Terminals & Battery Posts

Now that you have both the Negative (Black) and Positive (Red) Battery Terminals removed, from the Battery, it’s time to inspect your Battery Terminals, and Battery Terminal Posts. What your looking for here is severely corroded Battery Terminals, and Battery Posts.

If you have a case of severe corrosion, you will notice that your Battery Terminals, and/or Battery Post will have a milky white scale, with tinges of green, on them. Your corrosion situation may range anywhere from severe (I.E. completely covered in corrosion), to barely noticeable (I.E. so little you can’t tell).

Just knowing what level of corrosion you have, will help you in determining what cleaning steps are required. Some cases will exist where there really isn’t any corrosion, but the Battery Terminals, or Battery Posts, are actually just dirty, not making a good connection, or are just plain loose. No matter what your situation, the next cleaning steps will solve all of these issues.

Clean Your Battery Terminals

At this point, you have assessed what your Battery Terminals, and Battery Posts, look like. Now It’s time to make a game plan, on how you will clean them. If you have moderate, to severe corrosion, you will need to use a good Battery Terminal Cleaner Spray, and a Battery Terminal/Post Cleaning Brush. If you have slight, to no corrosion, you will only need a Battery Terminal/Post Cleaning Brush.

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Moderate to Severe Corrosion: Following the Battery Terminal Cleaner’s instructions, spray the Cleaner onto the Battery Terminals, and Battery Posts. Let it sit for a little while, so the Cleaner has time to work. Then, wipe off the Battery Terminals, and Battery Posts, with a Microfiber Towel. Using the Battery Terminal/Post Cleaning Brush, clean the Battery Terminals, and Battery Posts. Wipe off any excess debris, etc., using a Microfiber Towel.

Slight to no Corrosion: Using the Battery Terminal/Post Cleaning Brush, clean the Battery Terminals, and Battery Posts. Wipe off any excess debris, etc., using a Microfiber Towel.

Reconnect Your Battery Terminals

The order, in which you reconnect your Battery Terminals, and Battery Posts, is the complete opposite of how you removed them. You must always connect the Positive (Red) Battery Terminal first. If you don’t, you risk the chance of shorting out the Positive (Red) Terminal against the Vehicle’s Body, which is the same as shorting it against the Negative (Black) Battery Terminal.

To reconnect the Positive (Red) Battery Terminal, you will need a Ratcheting Socket Wrench. Wiggle the Positive (Red) Battery Terminal onto the Positive Battery Post, and tighten the Positive (Red) Battery Terminal’s Bolt & Nut.

Next you need to reconnect the Negative (Black) Battery Terminal. Using the same Socket, tighten the Negative (Black) Battery Terminal’s Bolt & Nut. Verify that Battery Terminal nuts, and bolts, are tight.

What I Hope You Get Out Of This Article.

I hope this Article has taught you how to Clean Corroded Battery Terminals on your Vehicle. Even though cleaning your Corroded Battery Terminals may not fix your Vehicle, and make it start, it is a good practice to do, regularly, to help prevent future corrosion. Please browse my other articles, to learn more about how to detail your own Vehicle. Please stay tuned, to learn about more topics, tips, tricks, product reviews, etc.!

As always, If your have a particular question, or comment, please feel free to ask it below.

Have a Great Day,

Jeffrey


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Jeffrey

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