1999 Audi A6 Logo
Posted on Apr 06, 2009
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The battery on my 2003 Audi A6 keeps dying. I

The battery on my 2003 Audi A6 keeps dying. I recently replaced the water pump and the temperature gauge was not working for awhile. Any thoughts on what is drawing down the battery?

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  • Anonymous Mar 20, 2014

    drain test = 2.1A

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  • Posted on Apr 06, 2009
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Sound's like a bad alternator, you can check the alternator by measuring the voltage on the battery when the car is started, it should measure above 12.6 volt's but not higher than 14.5 volt's, check the drive belt tension, a lose or wore drive-belt could cause problem's with the alternator charging the batery, check the battery terminal's for corrosion, along with the connection's of the battery cable's.
Hope this help's, good luck.

  • Anonymous Feb 27, 2012

    make sure the battery terms are tight too. i know it sounds silly. but trust me!! it can make you want to shoot your nice car. and yes alternator is most likely the culprit. but tightening the the cables costs $0.00 try it for sh&ts and giggles

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  • Posted on Apr 06, 2009
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Your alternator might be bad. you might want to get that checked at your local auto parts store.

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