How to Remove Car Battery Terminals. Even maintenance-free car batteries can acquire corrosive buildup, which is produced when hydrogen gas produced by .
When the car battery does not seem to be working even though you are sure it has full power then you may want to try replacing the cables that connect the car .
. do themselves. Learn the procedure to replace a car battery yourself at PepBoys.com.. Detach the negative (black) battery cable from the battery. First loosen .
Read our instructions on replacing a car battery.. Remove the cables from the battery terminals.. Remove the cable from the post and lay it out of your way.