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On Wed, 15 Nov 2006 15:30:01 -0700, "Earle Horton"
<el_anglo_burgues@usa.com> wrote:

>Check it with the car running and with it off. The first battery in my Jeep
>lasted eleven years, and the battery in my Honda is going on eight. Steam
>or vapor is usually a result of over-charging, not the battery's fault, or a
>shorted cell, which is. Check the water level, and refill each cell with
>distilled water to the level marked inside. Wear eye protection, and don't
>approach the battery if it is steaming or appears hot. If any electrolyte
>has bubbled out, wash it off with clean water. This would be a good place
>to wear rubber or latex gloves too. Wear old clothes. Be careful.
>
>Some parts stores will test your charging system and battery for free.
>Overcharging used to be fairly common, with relay type voltage regulators.
>The contacts would stick and overcharge the battery. It is less common with
>transistorized regulators, but it can happen.

In which case you should detect a strong odor of sulfur from several
feet downwind, even with the hood closed. It's dangerous-overcharging
to that extent can literally cause the battery to explode. If the
sides of the battery are puffed out, don't remove the caps. Just take
the car to an alternator shop and let them handle it.

Dan
>
>Earle
>
>"Jacob_T" <jacob.thaler@gmail.com> wrote in message
>news:1163627444.891781.289200@h54g2000cwb.googleg roups.com...
>>
>> The battery is about 2-3 years old maybe, i don't know for sure, maybe
>> it could be time to get a new one, huh. When I checked the voltage it
>> said 12.6 volts.
>>
>> On Nov 15, 1:09 pm, "DougW" <post.repl...@invalid.address> wrote:
>> > Jacob_T wrote:
>> > > What would cause a car battery to steam while running?low water, loss
>of regulation (overcharge) or
>> > the sytem trying to charge a very dead battery
>> > or dead cell.
>> >
>> > How old is the battery?
>> >
>> > --
>> > DougW
>>

all snipped

A reminder to everyone!

Just also remember to WASH YOUR HANDS after dealing with a battery. I
had the unpleasant experience a few years ago of having to make a
roadside repair that required disconnecting the battery and then
reconnecting it. (Speedometer cable came loose...it was an old Dodge
Dart, not a Jeep, but I never liked going under the dash with everything
live)

I used some "Goop", wiped my hands on whatever was around (paper
towels), but no water or soap.

After getting underway, I lit a cigarette (I think...I smoked in those
days) or just touched my lips with my unwashed hand.

About an hour later, my lips began to burn like hell!

The small amount of acid picked up from the top of the battery didn't
bother the rough skin on my hands, but it sure did a number on my lips!
Soap and water gets rid of it just fine.

Best Regards,

DAve

Disposable latex gloves should be in your toolbox.

If you could port it into you carburetor you might improve your mileage. :-)

"clay" < wrote in message...
> What could be bad about hydrogen gas leaking under your hood? *g*
>
> Earle Horton wrote:
>> Heh, put a real voltmeter on it. This is bad, by the way.
>>
>> Earle
>>
>> "JimG" <JimG@nospam.com> wrote in message
>> news:8sK6h.5478$Ka1.6@news01.roc.ny...
>>> Over charging... check the alternator output voltage.
>>>
>>> --
>>> JimG
>>> 80' CJ-7 258 CID, HEI
>>> 4.56 Gears, Lock-Right F&R
>>> 35" BFG MT on 15x10 Centerlines
>>> D44 Rear, D30 Front. SOA
>>> Dana 300 w/4:1 & Currie twin sticks
>>> Warn X8000i w/ dual batteries
>>>
>>> 00' TJ Sport 4.0L, 5sp
>>> 4.56 Gears, TrueTrac rear
>>> 33" BFG AT on 15x8 Eagle Alloys
>>> D35 Rear, D30 Front. 3" Suspension Lift
>>> Warn X8000i
>>>
>>> "Jacob_T" wrote in message...
>>> > What would cause a car battery to steam while running?
>>> >
>>>
>>>
>>
>>