2004 Cadillac CTS Steaming car battery with bad smell !

2004 CADILLAC CTS
60,275 MILES • 6 CYL • 2WD • AUTOMATIC
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CRAWFEE2000
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My CADI'S battery is steaming and there are no messages on the info screen to suggest that thier is anything wrong. Also the car temp is normal. The only problem i had with the battery is that about four months ago my battery died while i was listening to music and cleaning the car ! I got a jump from a friend and the car has seemed to be fine until today! Do i just simply need a new battery or is their more to this. I have not upgraded or downgraded the vehicle in any manor it is totally stock!
Jul 2, 2009 at 7:24 PM
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RASMATAZ
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My CADI'S battery is steaming

Its probably overcharging-get the alternator checked out-battery could explode.

To confirm read the voltages with a voltmeter while engine is running anything over 16 volts is no good-
Jul 2, 2009 at 7:29 PM