Rotten egg smell and steam coming out of a hole in the battery

2010 CHEVROLET MALIBU
111,000 MILES • AUTOMATIC
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BREANNA TAYLOR
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I started smelling a rotten egg smell, (did not know it was coming from my car until I had already been driving for a total of six hours today). When I popped off the cover to the battery, steam was coming out of a hole in the battery (do not know if that whole is supposed to be there or not), now my battery is dead. No lights came on and I just got a high mileage oil change about a month ago. Do I have a bad battery? I did not hit anything, I am just very confused.
Aug 7, 2018 at 6:23 PM
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DANNY L
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Hello, I am Danny.

Yes, It sound like you have a bad cell in the battery. Some batteries are completely sealed and other styles are vented and have service caps. If you remove the battery from your car you can take it to your local auto parts store (PepBoys,Autozone,O'Reillys) and they will test it for free. I have attached a link for you showing how to replace your battery. Hope this helps and feel free to ask any other questions. Thanks for using 2CarPros.
Danny-

https://www.2carpros.com/articles/how-to-replace-a-car-battery

https://www.2carpros.com/articles/symptoms-of-a-bad-car-battery
Aug 7, 2018 at 6:53 PM
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BREANNA TAYLOR
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Someone said that it sounded like I had a slow burn in one of the cables. I see that you are an expert so I am going to take your expert opinion! Thank you!
Aug 7, 2018 at 7:16 PM
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DANNY L
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You are welcome!
Let us know how things work out for you. Thanks again for using 2Carpros.
Danny-
Aug 7, 2018 at 7:28 PM