Disconnecting a battery temporary - Page 2 - Diesel Forum - TheDieselStop.com
'11-16 General Questions General questions related to 2011-Up Super Duty trucks. If it doesn't fit the other categories, post it here. Gas engine discussion that pertains to all models is allowed. Specific gas engine questions should use the Gas Engines forum.

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post #16 of 21 (permalink) Old 01-27-2019, 05:29 PM
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Both of your batteries are leaking. Batteries that don't leak don't have this problem. Cleaning the terminals is only a stop gap measure. Your batteries are junk. Its best to buy new batteries. I know they still crank fine but it won't be long till they won't. Does your wife drive this truck? Something to think about
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post #17 of 21 (permalink) Old 01-27-2019, 06:15 PM
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Originally Posted by CajunMick View Post
I would do that too. But worry if those pop off caps do seal well enough. The thought of baking soda getting into battery cavity concerns me. Long ago I did that to one of my vehicles. Few days after cleaning, it was dead, gone. New battery.

Water, and only water should be ok, IMHO. And no telling what’s in tap water.....

I have been doing it now for over 50 years with zero problems and I have never lost a battery due to it. Remember you are not using a pressure washer.

If your caps are that loose perhaps you need a new battery.
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post #18 of 21 (permalink) Old 01-27-2019, 06:27 PM
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Both of your batteries are leaking. Batteries that don't leak don't have this problem. Cleaning the terminals is only a stop gap measure. Your batteries are junk. Its best to buy new batteries. I know they still crank fine but it won't be long till they won't. Does your wife drive this truck? Something to think about
There may be various reasons for its occurrence. My 7.3 batteries do this all the time and still last for years. I have one now that spits a little acid through the vent hole and results in a light coating of moisture on the top of the casing. I need to pop the top some day and see if one cell is not a bit high.


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post #19 of 21 (permalink) Old 01-27-2019, 06:32 PM
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I just cleaned the driver side battery positive terminal and connector on my 2016.


Picture 1, before cleaning. Picture 2, pour on Diet Dr. Pepper, I only used about 1/4 of a 12 ounce can. Picture 3, use an old tooth brush for hard to get areas. Picture 4, pour on tap water to rinse off Dr. Pepper and blue crud mixture. Picture 5, dry off terminal and battery top with a rag or paper towel and add a thin coating of petroleum jelly.



The passenger side battery terminal was done last year and had no blue powder around the terminal. Unlike baking soda, which neutralizes acid, Colas and Dr. Pepper contain Phosphoric acid that doesn't affect battery performance if any was to leak into the cells.
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post #20 of 21 (permalink) Old 01-27-2019, 06:36 PM
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Originally Posted by CajunMick View Post
I would do that too. But worry if those pop off caps do seal well enough. The thought of baking soda getting into battery cavity concerns me. Long ago I did that to one of my vehicles. Few days after cleaning, it was dead, gone. New battery.

Water, and only water should be ok, IMHO. And no telling what’s in tap water.....

I have been doing it now for over 50 years with zero problems and I have never lost a battery due to it. Remember you are not using a pressure washer.

If your caps are that loose perhaps you need a new battery.
I do mine just like the BugMan about twice a year.

The reason I suggest the baking soda is because it nuetralizes the corrosive properties. You guys must remember back when engine bays had metal battery trays and those trays would get all rusted out? That is a result of the acidic properties of the corrosion washing down the side of the battery casing without the additional step of using a bicarbonate to neutralize the acid.

Water alone won’t do that and neither will soda pop which is also mildly acidic.


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post #21 of 21 (permalink) Old 01-30-2019, 08:17 AM Thread Starter
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That’s is great info.
Looking at pic closely, I see the clamp bottom almost sitting on top of the battery top, touching it, perhaps. When I inspected my battery posts, as that pass side battery clamp top even, flush with the battery post, and no evidence of corrosion. The driver side battery clamp was flush to the top of battery. Humm, interesting observation.

So when I removed that driver side clamp for cleaning, reinstalled it, I purposely made top of clamp even, flush with top of the post, leaving a gap underneath it. Now I will watch it, see if “anything grows” under the clamp.

Additionally, see that the battery hold down clamp lays across the top. And shows corrosion there. Mine does too. I remove one clamp, cleaned it, then painted with that rubberized spray coating. So this tells m any contact with top of battery maybe a culprit.

Thanks for the discussion, guys. Guess I move on to the next query, or hic cup.....

Last edited by CajunMick; 01-30-2019 at 08:22 AM.
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