Battery & Electrical

How To Remove A Badly Corroded Car Battery, Replace With New

By Editorial Team Published · Updated

How To Remove A Badly Corroded Car Battery, Replace With New

Overview

My battery terminals were really corroded. It was so bad that the bolts and nuts could not be saved. When I got a new set of bolts and nuts, even though they were purchased based on the year and make, they didn’t fit well. I will show you how to fix that.

In addition to demonstrating how to remove a badly corroded battery and replace with a new battery, I will show you how to be safe and will explain the correct procedure to avoid hazards as well as damage to the battery assembly.

Tags

battery

terminal

corroded

corrosion

clean

lead

posts

cable

correct sequence

correct steps

damage

sparks

acid

safe

safety

High definition video may help you see all of this better. This video is shot in the 4K UHD setting (if you have 4K TV, you may select this Youtube Setting/Quality).

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This article was originally published on cartrek.com on 2015-05-27. Content has been updated and expanded for 2026.