Battery damaged via overcharging alternator
25

Asked by DEEJT May 17, 2016 at 07:50 PM about the 2005 Pontiac Montana SV6

Question type: Maintenance & Repair

The alternator I bought from an auto parts
store overcharged the battery. Thankful
that  I was able to exchanged alternator via
the life time warranty. However, the
overcharging alternator ruined the battery.
Is there compensation for having to buy a
new battery?

4 Answers
158,955

Bob answered 8 years ago

You should have checked the voltage output on the bad alternator in my opinion. I think it's on you and not the parts store.

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25

DEEJT answered 8 years ago

Hmmm... On me?! The Mechanic did check that and gave me a number. I'll have to ask him again. what difference would that make?

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158,955

Bob answered 8 years ago

Good mechanic always checks the output voltage when replacing an alternator. If he didn't and the alternator was bad when it was installed, I would think he owes you a battery not the parts store.

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25

DEEJT answered 7 years ago

It was a lifetime warranty alternator that went out a year after installation. So maybe the voltage output was good at the time?

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