How To Clean Buildup On Car Battery. In order to do this take your battery terminals off clean it really well with a wire brush that you can get at auto parts stores. Rinse the battery with cold water.
Repeat Steps 7 and 8 until you clean all spots with corrosion. The battery is located under the hood of the engine. Wipe off moisture after doing so.
Take an old toothbrush and dip it nicely in the mixture.
Boil a jug of water and pour it over the effected areas. A clean cloth Some water Baking soda A wire brush or steel wool A wrench or socket An object to scrape knife screwdriver Vaseline Method 1. Take a clean towel to dry the battery. This is due to copper sulfate as the product of a chemical reaction between the copper in the terminal clamp moisture in the air lead in the battery post sulfuric acid in the battery and excess electricity.
