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Topic: Car battery issue.< Next Oldest | Next Newest >
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PostIcon Posted on: Oct. 29 2013, 2:39 pm  Skip to the next post in this topic. Ignore posts   QUOTE

So, I had a friend jump my car last night after the car didn't start and I discovered great amounts of fluffy corrosive material around the connections. I let it sit for 15-20 minutes, drove it for 5 minutes, tried to restart it -nothing. AAA came today and told me my starter is fine, my alternator is fine, and that my battery may or may not be fine. He jumped me, I drove for almost a half hour, and it still doesn't start (though it seems a little more charged than when I tried to start it again after driving last night). The AAA guy said I might have to bring it to an auto parts store to recharge the battery, and that driving it around doesn't necessarily charge it back up if it has so little charge. Based on my experiences, does this have a chance of working? Or do I need a whole new battery?

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PostIcon Posted on: Oct. 29 2013, 2:46 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

How old is the battery?

Not a good sign that this trouble arrived in conjunction with cold weather.

Have you made sure that the connections and cables are solid?

Should not be a lot of corrosion on a good battery with good connections.

Is your battery one that you can add water to??  If so, is it full of distilled water?

Take it to the parts store and have the battery tested.


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PostIcon Posted on: Oct. 29 2013, 2:47 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

Did you ever clean the corrosion off the battery terminals?

If not go get a terminal cleaning brush, if you've pole terminals they make a nice circular wire brush thingy that you can push down over the terminal once you've disconnected the cables and then rotate it to clean off the corrosion, often with a pointy brush accessory for cleaning the same out from the cable end connector.

Jumping often doesn't run current through the battery (that depends on the car arrangement) so even if the battery terminal connections are insulated with corrosion to the point there's no electricity flow, the car will start but nothing will reach the battery from the generator so you won't build up a charge. Same reason a charged battery wouldn't be able to start the car: no electricity to the starter from the battery…

Batteries do get damaged by draining them completely, but doing it once shouldn't kill it so cleaning things up and then charging it has a chance of working.

Oh and five minutes is way too short: drive for maybe 20 miles to get a decent charge into the battery. After cleaning the connections.

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PostIcon Posted on: Oct. 29 2013, 3:25 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

HSF, Remi said towards the end he drove for 30 minutes... if it wont restart after that then I say good chance the battery is dead. Do you have a volt meter? I assume the AAA guy checked things out, if you have close to 14 volts at the battery terminal with the engine running it means the alternator and charging circuit is working. If only 12V or less, then its an alternator/electrical problem.

Batteries only last so long, I've had them last as little as 2 years and up to about 5-6. If they are marginal then the first bit of cold weather usually kills them.


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PostIcon Posted on: Oct. 29 2013, 4:05 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

You can clean off the corrosion with a mix of water and baking soda, but my bet is a bad battery.
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PostIcon Posted on: Oct. 29 2013, 4:45 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

The corrosion is gone. The car lived in FL most of its life, and this is the beginning of its first full year in CO. Sigh. Guess I have to wait until I get paid for the new battery. I'm still going to try and charge it at a shop.

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PostIcon Posted on: Oct. 29 2013, 4:48 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE


(Adirondackiteer @ Oct. 29 2013, 12:25 pm)
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HSF, Remi said towards the end he drove for 30 minutes... if it wont restart after that then I say good chance the battery is dead. …..

Only if they cleaned the terminals.

Which it seems they did.

ETA: Well the test is an easy enough one, they can run  charge onto it and see whether it holds and test the fluid inside for specific gravity with a battery fluid tester so then you'll know.
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PostIcon Posted on: Oct. 29 2013, 5:16 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

Sounds like you need a new battery. It's just running off the alternator after being jumped. It will do that, even with a battery that's completely dead.
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PostIcon Posted on: Oct. 29 2013, 5:55 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

Get it tested at any auto parts store. They'll do it for free. Also, you have a PM.

- Mike


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PostIcon Posted on: Oct. 29 2013, 6:55 pm Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

1) Wipe off the top of the battery.
2) Check the date on the battery. Below are the markings on a 3-year-old battery. Month and year tabs are dented, punched, or removed:
    JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
    06 07 08 09 10 11 12 13
3) Batteries are generally made for 3-year or 5-year life expectancy. Have your battery replaced now if it is due to expire this winter.
4) Do not rely upon your alternator (generator) to recharge your battery. It could ruin the alternator. Alternators are designed to maintain charge on an already-charged battery — but are not designed to charge a dead battery.
5) The battery cables and posts need to be cleaned until they are shiny-new looking. Then the cable ends need to be tightened onto the battery posts for adequate maintenance of charge — after you replace the battery or before you recharge the battery. You can buy a plug-in battery charger for far less than you can replace the alternator.


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PostIcon Posted on: Oct. 30 2013, 9:13 am Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

Sounds like you don't have enough cold cranking amps to turn over the engine since the battery is fine while the car is running  . . . which means you need a new battery.

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PostIcon Posted on: Oct. 30 2013, 3:53 pm Skip to the previous post in this topic.  Ignore posts   QUOTE

New Battery!

Ben


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