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#1 |
Registered User
Join Date: Oct 2007
Location: Sykesville MD
Posts: 357
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hissing battery
the battery in my chevelle is making some bubbling noises and hissing noises, nothing consistant, a hiss here for a few seconds, some erratic bubbling noises, and it is leaking a little from one side (out of the cap i am assuming) the battery is 4 years old and hasnt seen much use in the past 4 years just ocasional cruises, no bulging of the battery or wierd voltage readings, 12v, off, 14v while running, it will hiss and moan long after the car has been shut off, like a week after, started it up last night and it was hissing more. what would cause this, looks like i am buying a new one, what do you guys think
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'55 3100 2nd series short-bed stepside '70 Corvette coupe stingray '71 Chevelle 2-dr coupe SS clone '71 C10 long-bed fleetside '83 long-haired brunette wife |
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#2 |
Registered User
Join Date: Jan 2004
Location: Canal Winchester, OH
Posts: 143
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Re: hissing battery
My battery started making those noises and soon after I started smelling that "Rotten Egg" smell that comes from a cooked battery. My generator was sending too much juice and I converted to an alternator and bought a new battery. If your battery is starting to be cooked, don't ignore it as it can be very dangerous. My engine compartment shows the scars but it could easily of been me. Most auto parts stores will check the battery/alternator for free.
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#3 |
KEEP ON TRUCKIN'
![]() Join Date: Jun 2005
Location: Sterling, Va.
Posts: 5,731
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Re: hissing battery
It sounds like the alternator is overcharging or check the voltage regulator.
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JIM '97 GMC Sierra K1500 '95 Chevy Silverado C1500 '71 Cheyenne Z71 / LT1 & 4-Speed SWB K/10 ![]() http://www.youtube.com/watch?v=4l689JKXPnA http://67-72chevytrucks.com/vboard/payments.php "LIVIN' FREE FOREVER" ![]() |
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#4 |
Son of a gun
Join Date: Jan 2007
Location: Hot Springs, Arkansas
Posts: 1,636
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Re: hissing battery
You battery is being over charged. Check your alternator and you VR(if you still have one)
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Bill BEATERS ARE NEATER |
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#5 |
Registered User
Join Date: Oct 2007
Location: Sykesville MD
Posts: 357
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Re: hissing battery
thats what i thought but my aftermarket volt gauge inside the car says 12volts at rest. 14 volts when running, this isnt overcharging is it?
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'55 3100 2nd series short-bed stepside '70 Corvette coupe stingray '71 Chevelle 2-dr coupe SS clone '71 C10 long-bed fleetside '83 long-haired brunette wife |
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#6 |
Registered User
![]() Join Date: Feb 2000
Location: Georgetown, KY, USA
Posts: 631
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Re: hissing battery
If the battery is hissing it is boiling the acid and putting off gases that are EXTREAMLLY EXPLOSIVE!!! A spark will blow it up in a heart beat. (Been there, Done that!!) You may have bad Diodes in the Alternater sending the Battery AC instead of DC, which will ruin the battery very soon.
Also any acid/water that is boiling out will eat everything in site, such as battery box, lower fender...... Have the Alt and Regulater checked. |
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#7 |
Registered User
Join Date: Apr 2006
Location: Hockinson, Washington
Posts: 115
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Re: hissing battery
DO NOT OPEN BATTERY COVERS WHILE THE BATTERY IS STILL IN THE CAR!!!!! Wear gloves and goggles, not glasses, at the very least. Lead acid batteries off-gas hydrogen, and the explosion will not be great, but it WILL sling acid all over everything in your engine bay. I work with 130 volt DC battery banks every day as a substation operator, and we have a two man rule. Anytime you are near the batteries we use two people as a safety measure. Sounds like overkill, but have you ever had acid in your eyes, and travelled somewhere to a safety wash by yourself? 9 out of 10 people can't do it before permanent eye damage sets in. The second persons drags your butt out, and starts hosing you down. They will usually have to force your eyelids open manually since your bodies reaction to foreign objects in the eyes is to clamp down tight. Enough of the doom and gloom though, I also suspect bad diodes in the alternator. For it to physically hiss, you will need high voltage as well as heat, in this case the heat would be cause by the natural plate resistance and arcing from the positive and negative plates. I would venture to say that your battery is toast., However, do not replace the battery and continue to drive the car without having the diodes checked in the alternator. Well, unless you really like to buy batteries.
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1968 Chevrolet C-10, 2WD, Longbox, Vortec 350, 700R4, 3.73 gears Good judgment comes from experience, and experience, well......that comes from bad judgment. 1968 Chevy C-10 "Longshot": Bought used from my Uncle George in 1994 and proceeding to beat the hell out of it for 4 years. Sold it. Bought it back, dumped an ungodly amount of money into it since then. |
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#9 |
Registered User
Join Date: Jun 2007
Location: Smyrna, GA
Posts: 709
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Re: hissing battery
My battery did the same thing. I had a bad voltage regulator and it fried my battery. Throw a new voltage regulator on there, they are cheap! Unfortunatly the battery is probably no good...don't continue to run your car like that, the battery could and will probably explode and that's bad news bears right there.
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Rottenwood Garage 1970...71...72 C1500 aka Orange aka Sideshow Bob 540 BB Straub Roller Cam, AFR Magnums, XP 950, TKO 600 2 Tons of Fun Last edited by OrangeCrush1970; 06-03-2008 at 02:51 PM. |
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#10 |
Engine n00b
Join Date: Feb 2008
Location: Austin
Posts: 1,031
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Re: hissing battery
bad voltage regulator.
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#11 |
Registered User
Join Date: Apr 2000
Location: Bonne Terre, Mo
Posts: 3,005
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Re: hissing battery
I feel sorry for the battery box area. Most likely cooked with acid that & core support.
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'69 Chevy Long Fleet & '71 GMC Short Step & Project "ODD BALL" "You can wash a pig, soak it in most expensive perfume. In the end it is still just a pig." ODD BALL build thread http://67-72chevytrucks.com/vboard/s...d.php?t=478629" |
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#12 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: hissing battery
The battery is over caharging.Ignore the incorrect gauge.It`s usually the volt.reg.,could be the alt.I changed to internal volt.reg.when mine did that.Your battery won`t take much of that.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#13 |
Registered User
Join Date: Apr 2007
Location: Kelso, WA
Posts: 363
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Re: hissing battery
Yes... please be very safe when handling anything battery related. My dad had one blow up on him when he was a young guy and he has severly scarred his arms from the battery explosion. Not to mention the fact that he almost lost his vision...
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1972 K10 4" lift, 35’s, 383 stroker, 700r4, current project. 1971 C10 3"/5" static drop, 355/350. "La Bamba.” The current daily driver. |
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#14 |
Registered User
Join Date: Oct 2007
Location: Sykesville MD
Posts: 357
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Re: hissing battery
Ok, took the battery and alt. to napa, the tested the bat. not putting any load on it, they said it was good, i got a new one. they tested the alt and said it was good, i specifically asked if their machine would test the diode and they said yes, its good. so i bolted it back up. now, what is the best way to test the voltage reg.? which looks brand new by the way, should i test the voltage at the battery with elevated rpms, test the output of the voltage reg. at the cable coming out of the voltage reg. should these be the same voltage?
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'55 3100 2nd series short-bed stepside '70 Corvette coupe stingray '71 Chevelle 2-dr coupe SS clone '71 C10 long-bed fleetside '83 long-haired brunette wife |
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#15 |
Registered User
Join Date: Feb 2011
Location: North Carolina
Posts: 993
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Re: hissing battery
did replacing all that work? did you find out why or how it all took a dump? mines doin the same and well all i did was re run new wires from the alt to the voltage regulator, it worked before...but hmmm
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#16 |
Registered User
Join Date: Oct 2007
Location: Sykesville MD
Posts: 357
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Re: hissing battery
Elf, yeah it worked out fine just replacing the battery, never had a problem since i swapped for a new battery, i dunno, maybe it just had a bad cell. I checked battery cables and alt wires and all seemed fine so I didn't even mess with them.
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'55 3100 2nd series short-bed stepside '70 Corvette coupe stingray '71 Chevelle 2-dr coupe SS clone '71 C10 long-bed fleetside '83 long-haired brunette wife |
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#17 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: hissing battery
Regardless of the cause,this symptom indicates an overcharging battery. What you are gearing is boiling battery acid (bubbling) and the pressurized gases created by evaporation (hissing) trying to escape. It's a dangerous situation.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#18 |
Registered User
Join Date: Oct 2010
Location: Largo Florida
Posts: 632
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Re: hissing battery
What special-K said, if the pressure builds up high enough the battery case can EXPLODE! If your lucky only the engine compartment will get get battery acid all over it, only ruining the paint under the hood, destroying the finishes of the engine compartment, and rotting/corroding hoses along with any aluminum. At worst your face will be under the hood when the battery lets go.........not a good sight when shards of plastic battery case coming flying at your face followed closely by acid.
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Lifes journey is not to arrive at the gate well preserved, it is to slide in sideways all used up and wore out yelling.....God what'a ride! Where patience fails, force prevails Stapp's Ironical Paradox "The universal aptitude for ineptitude makes any human accomplishment an incredible miracle." |
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#19 |
Account Suspended
Join Date: Mar 2007
Location: san bernardino ca. everywhere
Posts: 3,938
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Re: hissing battery
what about a battery that is just sitting on a chair in my garage.... it has been sitting almost 2 weeks and it does this bubbling boil sound once in a while, any ideas??
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#20 | |
Registered User
Join Date: Oct 2007
Location: Sykesville MD
Posts: 357
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Re: hissing battery
Quote:
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'55 3100 2nd series short-bed stepside '70 Corvette coupe stingray '71 Chevelle 2-dr coupe SS clone '71 C10 long-bed fleetside '83 long-haired brunette wife |
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#21 |
Registered User
![]() Join Date: Apr 2004
Location: Sacramento
Posts: 3,737
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Re: hissing battery
DO NOT do this or anything else around this battery (or any battery) without safety glasses. I've had this crap blow up in my face before. I always wear glasses when working with batteries, even just disconnecting them. Be safe.
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'72 2wd blazer, bagged w/ watts link & EDC '72 C10 "Lowered Farm Truck" STOLEN 5-18-11 '66 impala ht |
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