If you’ve popped the hood recently and noticed a crusty green or white gunk around your battery terminals, you’re not alone!
That Green Stuff Has a Name: Battery Corrosion
The green (or sometimes white or bluish) substance you’re seeing is battery corrosion. It’s typically caused by a chemical reaction between the battery acid and the metal on the terminals. Over time, as your battery heats up and vents gases, it can release a tiny amount of acid mist that reacts with the metal parts, especially if the battery is getting older or if the battery is not well sealed.
Is It Dangerous?
Battery corrosion isn’t something to panic about, but it can cause problems if left alone. That crusty buildup can interfere with the connection between your battery and your car’s electrical system.
This can lead to:
- Slow engine cranking
- Electrical issues (like dim headlights or glitchy dashboard lights)
- Trouble starting your car
- In some cases, a dead battery
It’s especially common in New Orleans thanks to our humid, hot climate—heat speeds up the corrosion process.
What Should I Do If I See Corrosion?
The safest and most effective option is to bring your vehicle to a professional shop like Tim’s Quality Car Care. We can safely clean the corrosion, check the battery’s condition, and make sure your terminals are making a solid connection.
If you’re comfortable doing it yourself, you can clean it off with a simple mix of baking soda and water. Please be careful! Battery acid is corrosive, and it’s important to wear gloves and eye protection.
How Can I Prevent It?
Here are a few tips to help prevent future corrosion:
- Have your battery tested regularly, especially if it’s over 3 years old. At Tim’s we check your battery at every visit, it is part of our Digital Vehicle Inspection.
- Make sure your battery terminals are tightly secured and clean.
- Apply a little battery terminal protectant to help seal out moisture and air.
When to Replace the Battery
If you’re seeing corrosion frequently, or if your car is slow to start even after a cleaning, your battery might be nearing the end of its life. The mechanics at Tim’s can help with testing and replacing batteries. Most car batteries last around 3-5 years, depending on the heat, driving habits, and maintenance. All batteries at Tim’s come with a 3 Year unlimited mileage warranty.
Let us help you get the full life out of your car battery, even in this hot and humid New Orleans climate!
Make a reservation today!
You may also be interested in: Do I Need a New Car Battery?
