How To Clean Corrosion Off A Car Battery Step By Step
Knowing how to clean corrosion off a car battery is an important skill that all car owners should learn. It’s important to address battery corrosion as soon as you see it to avoid costly repairs. Fortunately, it’s an easy task that anyone can do - here’s a step-by-step guide!
Yield: 1 corrosion-free car battery
Cost: $1
Equipment
- 1 Old toothbrush
- 1 Clean rag or towel
- Protective gear gloves and eye protection
Materials
- 4 tablespoons baking soda
- ¼ cup warm water
Instructions
- In a bowl or cup, combine the baking soda and warm water to create a paste.
- Wear thick rubber gloves and protective eyewear (plain sunglasses would do) before you start.
- Plug in a memory saver to retain your current car settings. Wait for the indicator lights to show they are active before proceeding to the next step.
- Disconnect the car battery terminals, starting with the negative (black) terminal first, then the positive (red).
- Use an old toothbrush to apply the baking soda mixture to the affected area. Be sure not to get any of the mixture into your battery’s vent caps.
- Scrub the battery posts and metal terminals clean using a wire brush.
- Wipe down and dry the entire surface of your battery using a clean rag.
- Reattach the cables of your car battery in reverse order, connecting the positive (red) terminal first then the negative (black).
Notes
Notes: Ventilation is important when cleaning your car battery. It's ideal to do it outside in a garage or in your driveway to ensure proper air circulation and to avoid inhaling any fumes.
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