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#1
10-23-2004, 06:18 PM
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Steaming battery at 14 volts
Ok, I got my alternator replaced and new battery 6 months ago. After hitting a pot-hole, now my Battery Light has started to come on during idling, but not when driving. The idling seems low. I had it checked out at the shop when I went for inspection but he couldn;t find anything wrong. It's been like that for some weeks.
Today when coming back from a ride I noticed the 'Rotten Egg' smell and when opening the hood the battery was steaming. The voltage over the battery reads almost 14 Volts when car is off and almost 16 Volts when the car is running, lights on. My volt meter might be inaccurate, but at least there is a difference so the alternator is not completely dead. Would the battery light come on at too high voltage? Could the steaming battery be from the low idling, the car running off the battery(I was in a traffic jam)? Could the low idling be from a vacuum leak? Any suggestions? thanks a lot J 
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#2
10-23-2004, 06:55 PM
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Re: Steaming battery at 14 volts
I think it would be steaming because its too hot, theres too much energy being transferred in and out of the battery. Thats the reason why they overheat.
__________________
89 CRX Si B16 | BW Body kit | 17" 8 Spoke | Airbagged 
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#3
10-23-2004, 07:00 PM
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Re: Steaming battery at 14 volts
Did you have the battery checked? I'm thinking bad battery or something, or worst case your alternator could be over charging. I'd start with battery myself.
__________________
1991 Sedan LX Auto (Auto2Manual / MPFI / OBD1 conversions complete) www.naytontech.com :: youtube.com/naytontech
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#4
10-23-2004, 11:06 PM
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Re: Steaming battery at 14 volts
put a volt meter to it. i would say the alt. is over charging
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#5
10-23-2004, 11:54 PM
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Re: Steaming battery at 14 volts
almost definantly the alternator. i've had this happen in a nissan pickup. you can drive around for quite a while like this, but eventually you'll start noticing things getting dimmer or brighter depending on engine rpms. . . and that's probably not very good for things wanting a more stable voltage
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#6
10-24-2004, 12:49 AM
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Re: Steaming battery at 14 volts
voltage regulator has shat itself.
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#7
10-24-2004, 12:50 AM
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Re: Steaming battery at 14 volts
by the way that rotten egg smell is hydrogen, put off from the battery, to conferm this light a match. (just joking)
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#8
10-24-2004, 09:17 AM
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Re: Steaming battery at 14 volts
Rotten eggs are Sulfur... I'm a chem lab assistant... Hate that smell...
__________________
"Short, sweet, and to the point" 1987 CRX Si - Project Si 'RexSi' 1996 Ford Thunderbird 4.6L V8 - Plastic Intake Manifold, FTL. 2004 Nissan Sentra, 1.8s - The "s" stands for smooth....... ?
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#9
10-24-2004, 01:04 PM
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Re: Re: Steaming battery at 14 volts
Quote:
Ya....well I work at a battery shop.... Your problem lies within your voltage regulator.....if your alternator is new....then go return it because thats your problem. The regulators are internal in our alt........and they are right...the smell is the sulfur....the battery is overcharging and its boiling the acid......get that alternator fixed asap because your ruin your battery.
__________________
89 DX: LS Powered 88 CX: Project ZC
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