How to Clean Corroded Car Battery Terminals

by Rose Kivi

Corrosion on your car battery terminals can prevent your car from starting. Cleaning the corrosion is an easy do-it-yourself job when you follow some simple directions.

How to Clean Corroded Car Battery Terminals
1

Make sure your car engine is turned off.

How to Clean Corroded Car Battery Terminals
2

Remove the negative battery cable first by loosening it with a flat-head screwdriver and lifting it off the battery terminal. After removal from the terminal, set the negative cable away from the positive battery terminal and metal.

How to Clean Corroded Car Battery Terminals
3

Remove the positive battery cable using the same removal method as the negative cable. Do not let the negative and positive battery cables touch.

How to Clean Corroded Car Battery Terminals
4

Pour Coca Cola or baking soda and water on the battery terminals and the battery cable ends.

How to Clean Corroded Car Battery Terminals
5

Scrub the battery terminals and the battery cable ends with a toothbrush until the corrosion is removed.

How to Clean Corroded Car Battery Terminals
6

Pour water on the battery terminals and the battery cable ends to rinse Coca Cola or baking soda off.

How to Clean Corroded Car Battery Terminals
7

Let battery terminals and battery cables dry.

How to Clean Corroded Car Battery Terminals
8

Apply a thin coat of Vaseline to battery terminals.

How to Clean Corroded Car Battery Terminals
9

Slide the positive cable onto the battery terminal and tighten.

How to Clean Corroded Car Battery Terminals
10

Slide the negative cable onto the battery terminal and tighten.

Items you will need

About the Author

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