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corrosion on battery

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Zombie Runner, Jul 7, 2010.

  1. Jul 7, 2010 at 9:03 AM
    #1
    Zombie Runner

    Zombie Runner [OP] Are these black helicopters for me?

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    Last night my truck wouldnt start..I checked the battery and there was a bunch of corrosion on my positive terminal giving me a weak connection. I cleaned it off with a wire brush and it started up fine. This has happened about 3 or 4 times in the last year.

    is there a way to keep corrosion out?
     
  2. Jul 7, 2010 at 9:08 AM
    #2
    BakoTruck

    BakoTruck Well-Known Member

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    Are you doing anything each time besides just cleaning them?
     
  3. Jul 7, 2010 at 9:12 AM
    #3
    gfiber

    gfiber Well-Known Member

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    Yep you had likely a nice brown coating of Lead Oxide on the positive terminal. I can't remember how many no starts I cured merely pulling the cables off and cleaning the terminals at the gas pumps 40 years ago.
    Most any automotive store will have some stuff you can spray on a clean terminal. I used just plain old chassis or wheel bearing grease, a light coat on the clean terminal or you could get some silicone grease too. I wonder why its corroding, the battery a sealed type? Corrosion used to be caused by charging and the fumes condensating upon the terminals and some battery acid being released during the charging process. You might clean the entire battery, baking soda and water works well to neutrailize the external acid on the battery BUT don't get it inside of the battery. grab a voltmeter and place across the battery when the engine is running. Generally that voltage should read between 13.8 to 14.2 volts DC.
     
  4. Jul 7, 2010 at 9:18 AM
    #4
    stick114

    stick114 Active Member

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    ^^^X2 Use the grease
     
  5. Jul 7, 2010 at 9:18 AM
    #5
    Zombie Runner

    Zombie Runner [OP] Are these black helicopters for me?

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    its the stock yota battery. its kinda dirty but not bad. No i havent done anything other than just scrape off the corrosion, I guess I need to fully clean the terminal and the wire and spray some cleaner on it.

    Ill grab some grease today
     
  6. Jul 7, 2010 at 7:19 PM
    #6
    travelingman

    travelingman What would Scooby do?

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    The felt pads work great also.
     
  7. Jul 7, 2010 at 7:20 PM
    #7
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    clean with baking soda and water....dry off and spray battery terminal protectant on it.
     
  8. Jul 7, 2010 at 7:20 PM
    #8
    Chris(NJ)

    Chris(NJ) Well-Known Member

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    x2. This was recommended to me, and for only 2 bux or whatever, it was worth a shot!
     
  9. Jul 7, 2010 at 7:56 PM
    #9
    Asgard

    Asgard Well-Known Member

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    I just spray it with white lithium grease, works great.
     
  10. Jul 7, 2010 at 7:59 PM
    #10
    HondaGM

    HondaGM Roll Tide

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  11. Jul 9, 2010 at 5:44 AM
    #11
    rgolden5724

    rgolden5724 Active Member

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    Clean it with baking soda and water, and spread a thin coating of dielectric grease on it.
     
  12. Jul 9, 2010 at 5:49 AM
    #12
    Zombie Runner

    Zombie Runner [OP] Are these black helicopters for me?

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    I got a can of some spray shit from wal mart. it changes color on battery acid to let you know where its at...that was a big selling point for me since I dont know what corrosion actually looks like :rolleyes:


    Im gonna get some of those felt pad things. I though about maybe soaking the battery in gasoline and then cleaning it off with some fire..less scrubbing involved that way
    :boom:

    thanks for your help guys :D
     
  13. Jul 9, 2010 at 11:01 AM
    #13
    RCBS

    RCBS "Cause I'm mighty proud of that ragged old flag."

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    note: coca-cola will also clean off the corosion if you are low on baking soda, or just want to puzzle your neighbors for a bit.
     
  14. Jul 9, 2010 at 11:03 AM
    #14
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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  15. Jul 9, 2010 at 11:24 AM
    #15
    00taco

    00taco Well-Known Member

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    mine did the same not stating thing a while back and after cleaning it it would stay good but if i put the rubber cover over the terminal it would absorb the grease and it would go back to not starting again. might come in handy to kno that haha
     
  16. Jul 9, 2010 at 11:28 AM
    #16
    tacobox

    tacobox Evasive Maneuvers PMKMS

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    after you get it cleaned... pick up a pair of chemical battery washers for each terminal and use some spray battery terminal protectant as stated above. clear terminals for months/years
     
  17. Aug 10, 2010 at 6:59 AM
    #17
    sockmonkey

    sockmonkey just a regular Joe

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    mine is corroded up, but not at the terminal.

    i had to do a baking soda bath a few times and a steel brush.

    i already have the felt pads.
    the corrosion is on the connector to the terminal.
    so bad that it corroded completely through my amp cable and started creeping about 8" down the cable and now i cannot get the nut off to replace the connectors.

    as i twist on the nut, it is so stuck (after lots of penetrating fluid) it wants to turn the terminal post.

    now i am afraid it is creeping down the main power cable and the one to the fusebox.


    had anyone replaced the main positive cables.
     
  18. Aug 10, 2010 at 7:04 AM
    #18
    Zombie Runner

    Zombie Runner [OP] Are these black helicopters for me?

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    Ive never replaced battery cables before. I dont think it would be to hard tough?
     
  19. Aug 10, 2010 at 7:06 AM
    #19
    sockmonkey

    sockmonkey just a regular Joe

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    yeah, not sure how they are connected at the other end (opposite battery)
     
  20. Aug 10, 2010 at 7:15 AM
    #20
    Zombie Runner

    Zombie Runner [OP] Are these black helicopters for me?

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    I thought it ran to the alternator but now that I think about it I have no idea :notsure:
     
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