How To Clean Battery Corrosion Baking Soda. Some might say that i am overreacting to the thought that a little corrosion might cause harm to the entire car but corroded battery terminals can lead to severe problems in your engine if it is left. This will help prevent future corrosion.
And one of the best ways to effectively clean the external terminals of your battery is by using baking soda. Reconnect the battery connecting the positive terminal first then the negative one. The reaction between the baking soda and water mixture and the acidic corrosion on the battery terminals will neutralize the acid making it safe to handle.
The baking soda and water should be enough to do the job efficiently.
How do you clean corrosion with baking soda. Continue adding the solution until it stops. Use enough for the powder to coat the terminal with a little around the terminal as well. Apply the dielectric grease to the battery terminals before reconnecting the battery.
