How to Clean Corroded Battery Terminals 

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There’s nothing more frustrating than a car that won’t start. Corroded battery terminals could be the cause.

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However, battery corrosion can be easy to spot. Just look for a white, green, or bluish-tinge around your battery terminals, posts, or cables.

What Causes Car Battery Corrosion?

As sulphuric acid is released from the battery, it contains nitrogen gas. The gas then reacts to the surrounding air and causes the green, bluish, or white tinge in your battery terminals.

How to Remove Corrosion From Your Battery

– A wrench – Protective gloves (batteries contain sulfuric acid, so you don’t want to get hurt) – Baking soda – Water (or battery cleaner) – Battery terminal brush (you can use an old toothbrush) – A cloth/rag

Step 1: Disconnecting the Battery Cables

Get your wrench and start by removing the negative cable first. Commencing the process with this cable keeps you safe from electric shocks or being burnt.

Step 2: Check the Cables Aren’t Damaged

Damaged cables can be one sign of why your car is having trouble starting. Look carefully at each cable to see if there are indications of corrosion, fraying, splitting, or cracking.

Step 3: Remove the Corrosion

Battery cleaning agents consist of compounds that not only clean but protect your terminals. It can be tempting to go cheap, but you should spend that little bit extra for a commercial grade cleaner.

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