Is common with the passage of time, the battery terminals have our vehicle look bad or make poor contact. This is usually because the metal terminals are sulfated.
A battery terminal with dirt or sulfated can hinder and even prevent our car boot. The first thing we do is get the car off and take out the battery terminals to confirm they are sulfated or dirty.
It will loosen with a screwdriver or a wrench screws or nuts holding the battery cables, starting with the negative cable. Do the same with the right terminal, will distance cables both metal and avoid coming into contact.
To remove dirt or dirt crust will use a container with water to which you add a few tablespoons of baking soda. Another alternative is to use cola, especially the leading brands. We’ll have a stream of our solution on the battery and let you take a few seconds to do reaction. Then we will give an overview impregnated with a solution or if it is clean and dry with a cloth rag.
Once dry, the terminals will rub a wire brush and terminals or screw terminals grip with this well let scraped dirt. We can top it off with sandpaper. With another damp cloth will remove residues that have been and we put the cables.
Before placing the cables, some experts recommend spreading the terminals with a thin layer of petroleum jelly or grease to prevent them from leakage. In our case we can choose to wear it or not.