[T3] I pulled my Interstate battery july 12th to check the level , found the Interstae MT-42 was leaking.

[William J]

 The cables are clean they never get corrosion and I replaced the neg one 
with the proper mesh type I had for years because the original one was green 
and I had a regular type cable on there for decades. I do clean the insides 
and posts with a battery brush once in a while. I'll check out the products 
or paint you suggested.
----- Original Message ----- 
From: "Mike Fisher" <fisherfarms at gmail.com>
To: "T3 List" <type3 at vwtype3.org>
Sent: Saturday, July 15, 2017 2:35 PM
Subject: Re: [T3] I pulled my Interstate battery july 12th to check the 
level , found the Interstae MT-42 was leaking.


> If you mix it thinner into a liquid you can submerge the last 3" of
> cable/clamp & be more thorough?   www.MasterSeriesct.com silver and/or
> black brushed on pans & chassis is good stuff.
>
> On Sat, Jul 15, 2017 at 2:19 PM, William J <catnine09 at dslextreme.com> 
> wrote:
>
>>  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.
>>
>>   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 .
>>
>>  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.
>>
>>  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.
>>
>>  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.
>>
>>  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.
>>
>>
>>
>>
>>
>>
>> ---
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>
>
>
> -- 
> Eugene, Oregon
>
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