Question about 2008 Dodge Avenger

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My 2008 avenger will not hold any charge in the battery. It sat still for a month where I was away and the battery flattened after which it does not seem to want to charge! I don't know if it's related but there is a high pitched buzz when the engine is running which increases when the revs do! It is getting very frustrating now as if I stall it means I now have to use a booster to restart are there any ideas what could have caused this?

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If yu have allowed the battery to completely discharge then the chemical reactions in it have caused the apparition of lead sulphate instead of lead oxide - this can't be decomposed so the battery has lost its capability to hold a charge. Because of that the alternator is overstressed and buzzing.
Replace the battery immediately.

Posted on Sep 29, 2010


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