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Car Battery Corrosion

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  • 30-09-2014 12:45am
    #1
    pudzey101
    Registered Users Posts: 3,925 ✭✭✭


    so my car battery is full of white residue/powder ( corrosion) whats a good way to get rid of it as i had my battery tested today and its 100% , the auto-electrician guy told me mix baking-soda with water and scrub it , then smear the terminals with Vaseline ?

    is this a good idea ?


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    #2
    visual
    Closed Accounts Posts: 3,268 ✭✭✭visual


    pudzey101 wrote: »
    so my car battery is full of white residue/powder ( corrosion) whats a good way to get rid of it as i had my battery tested today and its 100% , the auto-electrician guy told me mix baking-soda with water and scrub it , then smear the terminals with Vaseline ?

    is this a good idea ?

    Yes its a very good idea
    make sure the terminals are very clean even go over them with fine sand paper or use a battery brush.

    Normally its the first sign of old battery thats starting to release gases and discharging when the connection fur up with corrosion.

    Cleaning the battery poles and battery connectors is a must to avoid problems


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    #3
    pudzey101
    Registered Users Posts: 3,925 ✭✭✭pudzey101


    must go at it during the week so :) theres also alot of corrosion on the bottom end edges of the battery :) just youtubed a few vids there looks simple enough :)


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    #4
    Toyotafanboi
    Registered Users Posts: 12,917 ✭✭✭✭Toyotafanboi


    Just pour a kettle of water over it. Always works for me


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    #5
    woody33
    Registered Users Posts: 491 ✭✭woody33


    About the Vaseline, put it on before or after connecting the lead to the terminal? I always wondered that...


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    #6
    Gosub
    Closed Accounts Posts: 874 ✭✭✭Gosub


    Toyotafanboi wrote: »
    Just pour a kettle of water over it. Always works for me
    Just to clarify... boiling the water is necessary. :P But, this works well.


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    #7
    biko
    Registered Users Posts: 81,223 ✭✭✭✭biko


    Just in case someone think boiling water is a joke

    https://www.youtube.com/watch?v=RueBcolnJFE


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    #8
    mgbgt1978
    Registered Users Posts: 4,230 ✭✭✭mgbgt1978


    Limerick's Biggest Auto-Electrician uses the 'boiling water' method.....when nobody is looking, and then charges for a "Battery Refurb" ;)


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    #9
    jmrc
    Registered Users Posts: 209 ✭✭jmrc


    vaseline after the leads are connected, otherwise you wouldn't get a good connection...


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    #10
    woody33
    Registered Users Posts: 491 ✭✭woody33


    Re Vaseline, thanks for the reply. :)


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    #11
    pudzey101
    Registered Users Posts: 3,925 ✭✭✭pudzey101


    thanks lads , what about the orangy rust/spots it has left behind on wires/cables by the drivshaft after cleaning ? whats good at removing this


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    #12
    Esel
    Registered Users Posts: 22,032 ✭✭✭✭Esel


    jmrc wrote: »
    vaseline after the leads are connected, otherwise you wouldn't get a good connection...
    Not true. Remove the +/- connections. After the baking soda+boiling water, clean the battery posts and the inside of the terminals with fine sandpaper. Apply a bit of vaseline to both; tighten the connections.

    If you feel like it, apply a bit more vaseline afterwards.

    If vaseline caused bad contact, it would have been outed long ago...

    Not your ornery onager



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    #13
    Esel
    Registered Users Posts: 22,032 ✭✭✭✭Esel


    pudzey101 wrote: »
    thanks lads , what about the orangy rust/spots it has left behind on wires/cables by the drivshaft after cleaning ? whats good at removing this
    No need to worry about that. If you really want to do something, spray a bit of WD-40 over the general area.

    Not your ornery onager



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    #14
    An Ri rua
    Registered Users Posts: 4,475 ✭✭✭An Ri rua


    Hi all,

    I'm about to do this on my 407 Coupe but it has a number of connections on the positive terminal. I assume its still perfectly safe to pour boiling water on each terminal separately?


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    #15
    Sitec
    Registered Users Posts: 2,964 ✭✭✭Sitec


    An Ri rua wrote: »
    Hi all,

    I'm about to do this on my 407 Coupe but it has a number of connections on the positive terminal. I assume its still perfectly safe to pour boiling water on each terminal separately?

    Yeah it's fine. I used to work on HGV's and there was a lot of ancillary connections etc, it won't be an issue.


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