<div dir="ltr">If you mix it thinner into a liquid you can submerge the last 3" of cable/clamp & be more thorough? <a href="http://www.MasterSeriesct.com">www.MasterSeriesct.com</a> silver and/or black brushed on pans & chassis is good stuff. <br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Jul 15, 2017 at 2:19 PM, William J <span dir="ltr"><<a href="mailto:catnine09@dslextreme.com" target="_blank">catnine09@dslextreme.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Has anyone ever had a battery leak? This is a first for me. I know others have had rusted out floors mine was not ,just surface rust. Also read some cleaned off surface rust and painted the area with some special type of paint.<br>
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I checked the level and the cell closest to the neg terminal was a little lower than the others . I added enough then placed a light near the area and saw that white crust about 3" oval right near the neg cable area on the floor pan . Still having the battery out I checked to see where the leak was and could see a wet area down the corner and along the seam at the top . I looked at the neg cable post fine then found I could lift the top corner of the case just a bit tried the pos side and all around and only the corner at the neg side post I could clearly see it could move so it's not sealed.and saw wet in the tops seam and down the corner of the case side . The level was not low enough so the plates were still covered . The charging system is 14.2 volts at the highest based on a DVOM and analog .<br>
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I scraped off most of it yet I know there is still acid there . It was a dry white corrosion about 1/16" thick . I just mixed baking soda and water into a paste and let it sit a bit then used a small brush to apply. I don't want to use much water since flushing it all will go everywhere yet I know baking soda has salt in it . I am not concerned about the bit of surface rust it has I just want to stop the acid from doing damage that I didn't have before. It did bubble a bit the first time and I did it 4 times wiping with water soaked cloth to remove the soda. Then I scraped off any surface rust that was where the battery sits on the floor pan . It's had this same surface rust since I got the car and never got worse.<br>
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Now I have a 3" oval of bare metal where the corrosion was with maybe a small area of metal depression about .003" deep from the acid. It's always had half surface rust and half factory paint . I was just asking about how ofter people check the level last week.<br>
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Firestone did give me a free replacement MT-42 . I've never had a battery leak since I bought this car in 85 . I called Interstate and they wanted photo's and want the dealer to send it back to the manufactuer and said they will compensate for the floor damage what ever that means.<br>
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Once it cools off out in the garage since it's been close to 100* in there I will get as much rust off and paint the area . Just some brush on primer might be good enough.<br>
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