Let's look at how you would use these tools to change a car battery. Battery Terminal Brush You will need a battery terminal brush to scrub the corroded terminal. Insert the brush, twist, and clean your battery's positive and negative clamps. Make sure to clean the battery post as well. 10 mm Combination Wrench or Socket Before removing the battery. Most Japanese cars, such as Honda and Toyota, or American cars, like Ford, Chevrolet, and Dodge, have the battery secured with a bracket on top of the battery. These batteries are easy to replace. Remove the 10 mm that holds the bracket in place. Remove the hold-down bracket and pull out the battery.BMW, Mercedes, Audi, Porsche, and many European cars ensure the battery is in place using a bracket at the base of the battery. The bracket typically has a 12mm or 13mm bolt. You will need an 8″ extension and a ratchet to reach this bolt, which is down, and usually, there isn't much room for your hands. Dielectric Grease It is highly recommended th. The most common locations where you will find a car battery are: 1. The engine bay 2. In the trunk 3. Under the rear seat.
