Rotten egg smell/ bad battery

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by outkast, Dec 18, 2019.

  1. outkast

    outkast Bobtail Member

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    Oct 23, 2007
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    I have a terrible smell coming though my vents that smells like rotten eggs. My maintenance department says it’s a bad battery and to keep driving until I get back to their shop. I did the worst thing I could probably do I looked up sulphuric acid inhalation online and there’s a lot of bad effects from it but my maintenance department ensures me it’s safe to drive. I just want to ask if it’s really safe to be breathing it in? It’ll be 6 hrs before I’m able to get to their shop
     
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  3. D.Tibbitt

    D.Tibbitt Road Train Member

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    Ive driven n a company truck for 3 weeks with that smell and a bad battery and never turned truck off. And i still live another day. A couple brain cells shorter but still here.
     
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  4. PE_T

    PE_T Road Train Member

    Keep as many vents and windows open on your truck so the air escapes while driving. The last time I changed my batteries, I did smell quite a bit of it while I was sleeping. My APU was sucking that air right into my cab, unfortunately.

    I called the American Association of Poison Control Center. They said I should be fine. I remember a slight pain in my throat like a soar throat but went away soon.
     
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  5. x1Heavy

    x1Heavy Road Train Member

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    That kind of acid will cause damage to you. If you start tearing up uncontrollably, then that is your eyes having decided they are taking damage from the acid and is trying to flush it off your lenses before you get irrevocably damaged and require a surgical replacement of some type for the eyes.

    If it gets into your lungs then you will generate fluid to try and flush that way, the problem is you can drown in that fluid. Thats where hospitals come in with intubation and removal of fluids and so forth. If its really bad they stick you into a hyperbaric chamber to flood you with 100% oxygen while trying to eradicate the fluids. (Essentially a chemical burn inside the lungs at the aveola)

    I would say forget the shop, stop at the first dealer or another shop with batteries similar to what you have on and ask if your company can be made to pay a immediate replacement bill for a new battery or batteries.

    Frankly you don't matter to the shop or company staff. Your injuries etc are your problem. Unless you can tie it to your company's work.
     
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  6. Hulld

    Hulld Road Train Member

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    Did the maintenance department bother to tell you that rotten egg smell is also highly explosive hydrogen gas?
    One spark and kaboom.
    I still have plastic shards stuck in my 20 ft ceiling from a battery that exploded over 25 years ago...
     
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  7. Nothereoften

    Nothereoften Light Load Member

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    It might explode at any moment, something i worry about when i have that smell.
    Someone will make a baking soda mixture and throw it at those batteries from as far away as possible before going near them to change them. Nobody will stand close to them for long even after that.
     
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  8. outkast

    outkast Bobtail Member

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    Oct 23, 2007
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    They changed the batteries out but there is still a lingering smell not nearly as strong as before. They changed them out Wednesday evening it’s now Friday morning. Is it normal for the smell to be lingering or should I have it checked again?
     
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  9. PE_T

    PE_T Road Train Member

    It may be normal. If your new batteries are expelling gas, you can check on a small vent located on the top side of the battery. Depending on how the batteries are installed, you may not be able to see it if the clamp that holds the battery in place is blocking the vent.

    Look for my comment #33 here:

    What truck batteries do you use and how long do they last?
     
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  10. Hulld

    Hulld Road Train Member

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    Did they put a meter on the batteries and check the charging rate of the alternator?
    If your alternator is over charging the new batteries they will continue to produce hydrogen gas.
    What is the charging voltage on your dash volt meter?
     
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  11. outkast

    outkast Bobtail Member

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    Oct 23, 2007
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    My dash is reading 14.2 that’s the same reading it had with the bad batteries. I didn’t ask if they checked the charging rate The equipment manager just said he’ll have the the shop recheck the batteries. Could the smell be from the old batteries spilling over into the battery box? Would spraying down the batteries and box help?
     
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