Summary: Changing a car battery is not something you will have to do often but it is always good to know how to do it. This is something anybody can do by themselves and does not require a trip to a mechanic. Simply follow the steps below and you're good to go.
eHow Article: How to Replace a Car Battery
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Comments
elinauk said
on 6/18/2009 a perfect way to change battery.
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anntherr said
on 6/18/2009 You will need a battery to do this. This site may be helpful http://www.tirekingdom.com/Batteries.aspx
ed46 said
on 1/18/2009 I know replacing a battery is a simple task, but what about today's cars which are equipped with on-board computers? Is there anything that needs to be addressed to prevent the loss of data between removing the old battery and replacing the new one?
Anonymous said
on 12/8/2008 Be very careful when tightening the screws, as my wrench hit a rubber pipe which had a small metal ring and when I was tightening the positive terminal my wrench hit the small metal ring and sparks flew!
Anonymous said
on 12/8/2008 You may find that when you try to unscrew the battery cables from side-terminal style batteries, the whole terminal piece will tear right out of the side of the battery. This isn't uncommon, especially if the battery is old. At this point, if you grab the battery chunk with something like a vise grips and try to turn the tightening nut out with a standard wrench or socket, most likely the nut will just round off and you'll have ruined it (and you won't get it out either). The nuts are deliberately made small and somewhat soft so you will round them off and ruin them if you lean on them too much (to discourage you from trying to tighten them too much when you put in a new battery, thus breaking off the battery terminal mount). For better results, use 2 vise grip pliers, one on the chunk that tore out of the battery, and one on the collar at the base of the tightening nut (not on the nut itself, or the you'll mess up the hex head). You should be able to screw the battery chunk off there and not ruin your battery cable in the process.