Battery keeps dying in cold or if not started daily

Tiny
MR.DUPO
  • MEMBER
  • 2008 CHEVROLET COBALT
  • 2.2L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 250,000 MILES
It started locking and unlocking doors then we got a second battery from the scrap yard. Now car wont whine or turn over but lights come on. Help we don't have money to take it to mechanic please.
Friday, January 10th, 2020 AT 11:48 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,708 POSTS
Hi,

What you described sounds like it is related to a weak battery or poor connection. It could even be a bad alternator allowing the battery to get weak.

Do me a favor, I need you to check to make sure the battery terminals are clean, tight, and free of corrosion. I realize you just replaced it, but anything is possible and we need to start at the source, the battery

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

Next, if you can remove the battery and take it to a parts store, have them load test it to see if it is good. Most will do it for free. If that isn't an option, follow this link:

https://www.2carpros.com/articles/car-battery-load-test

Do these things first. Also, if you haven't already, make sure the battery is fully charged.

https://www.2carpros.com/articles/how-to-charge-your-car-battery

If you don't own a charger, most nationally recognized parts stores will charge it for you at no charge.

Let me know. And don't worry, we'll figure this out together.

Joe
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Friday, January 10th, 2020 AT 6:04 PM

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