Question about 2005 Chevrolet Colorado

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Sulfur smell came from battery the other day, then the battery was dead, i cannot jump it and the battery is swollen. could this just be the battery or do you think it is the alternator. what should i do?

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I would get that battery out of there, because something is wrong with it. Now about the alternator, You won't know till you get another battery in there and test it for voltage coming in to the battery. If the alt fried the old battery, you don't want to fry another one. The voltage at the battery with the engine running should be about 14 v, and not running, 12.5v. I know that golf carts have their batteries bulge out from cooking them too long or they just fry and keep getting charged. And they are deep cycle batteries, your car battery is not supposed to die, it is made to stay fully charged all the time. If it dies 2 or 3 times, that's it, it's done. Hope this helps.

Posted on Jun 02, 2010

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Replace the battery from the smell is caused by a dead cell in the old one

Posted on Jun 02, 2010

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