Battery Terminal corrosion prevention? - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

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post #1 of 15 (permalink) Old Feb 12th, 17, 8:21 PM Thread Starter
rkd
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Battery Terminal corrosion prevention?

Just did some battery terminal maintenance and repair.


Does anyone use those washers from Autozone, or the sprays, or anything else on battery terminals.


I have never really found anything that seemed to work.


Whats everyone elses experience.

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post #2 of 15 (permalink) Old Feb 12th, 17, 8:38 PM
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Re: Battery Terminals

I lightly coat the posts and the cable ends with Dielectric Grease and I use the treated felt washers on the posts under the cables, and I've never had any corrosion issues since I started this practice.
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post #3 of 15 (permalink) Old Feb 13th, 17, 7:32 PM
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Re: Battery Terminals

If the post is leaking nothing will work. The felt things coated with dialectric grease and coating the terminal helps though. I had this problem on my DD after i replaced the battery the problem went away.
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post #4 of 15 (permalink) Old Feb 13th, 17, 9:04 PM
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Re: Battery Terminals

I use wheel bearing grease..
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post #5 of 15 (permalink) Old Feb 13th, 17, 9:20 PM
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Re: Battery Terminals

Dielectric grease or spray a little fluid film on the cables after they are installed. We have a fleet of golf carts at work and I use fluid film and never have an issue and I'm talking alot of batteries.
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post #6 of 15 (permalink) Old Feb 13th, 17, 9:29 PM
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Re: Battery Terminals

I use dielectric grease also.
One thing I did have to use last time(two months ago)I bought a battery at advance auto was those shim caps for the post.
The one post was normal size,the other post was much smaller,and the factory terminal could not tighten enough around it.
I cut about an 1/8" of an inch from around the bottom so it sat better on the terminal.It was a little too tall.

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post #7 of 15 (permalink) Old Feb 16th, 17, 5:39 PM
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Re: Battery Terminals

I second the felt washers.


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post #8 of 15 (permalink) Old Feb 16th, 17, 5:41 PM
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Re: Battery Terminals

I've used both. I use a spray battery protector and simply keep up on maintenance (which yes, includes cleaning batter terminals from time to time) Never really had a problem. Make sure you have good cables with good ends on them...

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post #9 of 15 (permalink) Old Feb 16th, 17, 8:27 PM
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Re: Battery Terminals

I use the felt washers, and after installing the terminal on the post I spray the whole thing with NCP2, no worries

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post #10 of 15 (permalink) Old Feb 16th, 17, 9:04 PM
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Re: Battery Terminals

I run AGM batteries and the terminals do not need anything. The only thing that ever needs cleaned off the battery is dust.
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post #11 of 15 (permalink) Old Feb 16th, 17, 9:06 PM
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Re: Battery Terminals

X2 with bearing grease, since I work on a/c units I have tubes of die elec grease that I use, but learned about wheel bearing grease from a farmer in the 70's, X? a lot with the washers


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post #12 of 15 (permalink) Old Feb 17th, 17, 2:02 PM
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Re: Battery Terminals

Quote:
Originally Posted by NickeyChevelle View Post
I lightly coat the posts and the cable ends with Dielectric Grease and I use the treated felt washers on the posts under the cables, and I've never had any corrosion issues since I started this practice.
X2 been doing this for years with no issues and look as it as preventive. I have an 10 oz bottle of dielectric Grease from my dads electrician days - it will last me a life time and my kids. Beats the little packet the auto parts sell as an "impulse buy" at the register.
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post #13 of 15 (permalink) Old Feb 17th, 17, 2:29 PM
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Re: Battery Terminals

felt washers and dielectric grease here. Battery went a full lifetime and got turned in as a core on a new one and never a speck of corrosion on the terminals.
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post #14 of 15 (permalink) Old Feb 17th, 17, 7:25 PM
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Re: Battery Terminal corrosion prevention?

Felt washers and a tad bit of tranny fluid on the washers for extra measure here. Dozers, trucks, Chevelle, tractors, you name it.
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post #15 of 15 (permalink) Old Feb 17th, 17, 7:31 PM
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Re: Battery Terminal corrosion prevention?

I used to use the Permatex 80370 but that was before AGM battery's which are clean as can be.

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