04 Elantra Battery Smoking
My daughters Elantra's battery was smoking, it is dead now. She had it
jumped off last night but it did not charge the battery. Anyone know what could make the battery smoke? Rob |
Re: 04 Elantra Battery Smoking
"Rob" <bucfan11SPAM@earthlink.net> wrote in message news:yrF0i.9661$j63.5216@newsread2.news.pas.earthl ink.net... > My daughters Elantra's battery was smoking, it is dead now. She had it > jumped off last night but it did not charge the battery. Anyone know what > could make the battery smoke? > > Rob Something shorted. Could be the battery internally, could be some other circuitry. I hope you disconnected it to be safe. |
Re: 04 Elantra Battery Smoking
I concur with Ed. More than likely a shoert within the battery...
Steve "Rob" <bucfan11SPAM@earthlink.net> wrote in message news:yrF0i.9661$j63.5216@newsread2.news.pas.earthl ink.net... > My daughters Elantra's battery was smoking, it is dead now. She had it > jumped off last night but it did not charge the battery. Anyone know what > could make the battery smoke? > > Rob > > |
Re: 04 Elantra Battery Smoking
A single cell can short - sometimes without any visible effects. What then
happens when you start the car - again, a battery with a single, hard shorted cell can sometimes still start a car - is that the charging system is now charging a 10 volt battery instead of a 12 volt battery. The normal ~ 14 volts usually gets divided among six cells - each with a charge voltage of 2.33 volts - now gets 2.8 volts across it. This results in heat - lots of it. You basically get boiling sulphuric acid. "Steve R." <sarinaz@frontiernet.net> wrote in message news:xvK0i.8249$B25.1121@news01.roc.ny... >I concur with Ed. More than likely a shoert within the battery... > > > Steve > > "Rob" <bucfan11SPAM@earthlink.net> wrote in message > news:yrF0i.9661$j63.5216@newsread2.news.pas.earthl ink.net... >> My daughters Elantra's battery was smoking, it is dead now. She had it >> jumped off last night but it did not charge the battery. Anyone know what >> could make the battery smoke? >> >> Rob >> >> > > > |
Re: 04 Elantra Battery Smoking
Your alternator could be overcharging as well. If the voltage is not in
the range of 13.5 to 15.5V with the engine running, check the main slow blow fuse. If it's blown, replace it. If not, look to replace the alternator. Either way, you'll probably need a new battery. It sounds like it's smoked. (Pun intended). |
Re: 04 Elantra Battery Smoking
Lucky as heck it didn't blow up with Hydrogen gas being given off in that
smoke!!! I wonder how much sulphuric acid is all over the engine compartment. It might pay to wash everything down with a weak solution of baking soda and water. If you see if bubbling, you know it's neutralizing the acid. "hyundaitech" <notpublic@not.public.com> wrote in message news:e835ef4f290792ba8eb99d4b155e06b2@localhost.ta lkaboutautos.com... > Your alternator could be overcharging as well. If the voltage is not in > the range of 13.5 to 15.5V with the engine running, check the main slow > blow fuse. If it's blown, replace it. If not, look to replace the > alternator. Either way, you'll probably need a new battery. It sounds > like it's smoked. (Pun intended). > |
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