Battery blew now questioning alt. - Chevy Cobalt SS Forum : Chevrolet Cobalt SS Forums
 
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post #1 of 7 (permalink) Old 05-21-2015, 01:31 PM Thread Starter
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Battery blew now questioning alt.

Hi,
On the way back to Canada from Florida my battery blew, of course the GM vent in the trunk was there to vent all the nasty outside, just kidding its a GM so the hose cracked and vented inside the trunk saturating all my stuff in rotten egg gas. Anyways changed out the factory batt ( its a 06 so due anyways) now I am questioning the alternators voltage, checked it today and at idle its 14.5-14.9 volts which is a bit over spec, anyone have similar readings? Thanks.
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post #2 of 7 (permalink) Old 05-21-2015, 07:11 PM
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I thought 14.5-14.9 was about right?

Billy
Louisiana
2003 Saturn Ion-1
2006 Saturn Ion Redline
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post #3 of 7 (permalink) Old 05-22-2015, 06:48 AM Thread Starter
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Quote:
Originally Posted by goaliemo View Post
I thought 14.5-14.9 was about right?
my specs show 14.5 being max...but wanted to see anyone else's opinion , the cobalts are special cars, lol.
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post #4 of 7 (permalink) Old 05-29-2015, 10:29 AM Thread Starter
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No other Cobalt people with battery issues to chime in?
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post #5 of 7 (permalink) Old 05-29-2015, 10:46 PM
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What is the battery rating?
All stock car?

Billy
Louisiana
2003 Saturn Ion-1
2006 Saturn Ion Redline
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post #6 of 7 (permalink) Old 06-01-2015, 07:37 AM Thread Starter
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Quote:
Originally Posted by goaliemo View Post
What is the battery rating?
All stock car?
All stock 2.4 l Cobalt 2006 , the battery is a Group 90, 650 CCA
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post #7 of 7 (permalink) Old 06-01-2015, 11:20 PM
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Swap the alternator.
I just read that if the voltage bounces like that, after a new battery, the alternator is confused and on its way out.

Billy
Louisiana
2003 Saturn Ion-1
2006 Saturn Ion Redline
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