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Battery corrosion in my alternator

Discussion in '1st Gen. Tacomas (1995-2004)' started by Cutter_, Feb 11, 2019.

  1. Feb 11, 2019 at 1:13 PM
    #1
    Cutter_

    Cutter_ [OP] Well-Known Member

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    I was cleaning my battery terminal and some of the corrosion got into my alternator wires. Do I need to worry about it?

    845436A7-6BB4-40C3-91F9-F13856CA105F.jpg
     
  2. Feb 11, 2019 at 2:46 PM
    #2
    jbrandt

    jbrandt Well-Known Member

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    I would hose it out if you can. But I don't think it will explode, lol
     
  3. Feb 11, 2019 at 3:27 PM
    #3
    MikeWH

    MikeWH Well-Known Member

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    What happened to your battery?
    You can use some NAPA batter terminal cleaner to neutralize and clean. Spray and rinse repeatedly until is stops changing color (read the can). Most of the corrosion will remain but it will stop any future degradation. You can polish with a little WD-40 to shine it up.
     
  4. Feb 11, 2019 at 5:36 PM
    #4
    Cutter_

    Cutter_ [OP] Well-Known Member

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    A mechanic replaced my battery last year and it has been corroding off the positive terminal like crazy. Took it to autozone and they said it’s “cranking amps” are too high. I have no idea what the issue is. I just put some terminal grease on it today after cleaning it
     
  5. Feb 11, 2019 at 5:42 PM
    #5
    Wsidr1

    Wsidr1 Well-Known Member

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    Combine three parts baking soda and one part water to form a paste. Apply liberally.
     
  6. Feb 11, 2019 at 8:28 PM
    #6
    MikeWH

    MikeWH Well-Known Member

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    That makes no sense...seems like a faulty battery. I always use the NAPA cleaner, then the sealer on everything, a couple coats. Seems to keep the leakage around the posts to a minimum. I never use the felt washers or anything.
    You might be overcharging your battery (faulty regulator in your alternator). What is your charging voltage at idle?
     
  7. Feb 11, 2019 at 9:21 PM
    #7
    Cutter_

    Cutter_ [OP] Well-Known Member

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    Not sure. I’m way better at motorcycles than cars....
     
  8. Feb 12, 2019 at 6:41 AM
    #8
    MikeWH

    MikeWH Well-Known Member

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    It’s almost the same. Just measure your battery voltage with a volt meter while your truck is idling with all accessories off. Should be around 14V.
     
  9. Feb 12, 2019 at 7:28 AM
    #9
    ThunderOne

    ThunderOne Average Contributor

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    This. It will neutralize the corrosive nature of battery acid. Also, you can spray some fluid film on the terminals after it's been connected. This will seal off the posts.
     

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