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

[Mike Fisher]

42 is the short size for VW etc, so they don't short out/catch fire on the
rear seat springs, when somebody rides back there.

On Sat, Jul 15, 2017 at 4:49 PM, William J <catnine09 at dslextreme.com> wrote:

> I added enough water to make it about a 50/50 mix plus it was not that
> large an area . I first scrapped off the dry white crust then applied the
> soda mix , it only bubbled one time yet I did it 4 times. and now see shiny
> bare metal in that area. Each time I soaked a rag and wiped it up and the
> last time I used a bit more water then dried it with an old hair dryer then
> took a old shop vac and vacuumed all the left over bits of rust I scrapped
> off . I went over it twice with a small wire brush with the soda mix just
> to make certain in was working in well and also a brown scotch bright after
> the wire brush . Once the weather cools off hopefully by Nov I'll wire
> wheel the entire area and paint it. I never bothered before because all it
> had was surface rust just where the floor is not covered by the dk brown
> insulation stuff and all of that is stuck down real well and no rust at the
> edges.
>
> I also wanted to ask because I can't find any info . On these group 42
> batteries are all of them rebuilt ? I know the Interstate ones here are I
> had an Autozone battery before I got in 2009 and it looked new meaning the
> botton and sides were not all scratched up . I seems only older cars use
> this size . Before the Interstate I used to get them from a Ford dealer I
> worked at same exact battery and Interstate made them that was 2000 and
> don't recall them showing signs of being rebuilt. I imagine many newer car
> batteries are new yet there are only a few places that sell group 42 which
> as I said are all for older cars .
> ----- Original Message ----- From: "Jim Adney" <jadney at vwtype3.org>
> To: <type3 at vwtype3.org>
> Sent: Saturday, July 15, 2017 3:38 PM
> Subject: Re: [T3] I pulled my Interstate battery july 12th to check
> thelevel , found the Interstae MT-42 was leaking.
>
>
>
> On 15 Jul 2017 at 14:19, William J wrote:
>>
>>  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
>>>
>>
>> That's the right thing to do, but you have to use enough water to allow
>> it to
>> soak into every place where acid might have gotten. Excess water is no
>> problem. Excess soda is no problem. Excess acid IS a problem.
>>
>> You're done when wiping it up with a damp sponge and applying more
>> water/soda mix doesn't cause any more bubbling. Then wipe up with a damp
>> sponge, add just water, and wipe up again. Rinse and repeat. Let dry.
>>
>> I would treat the area with LPS-3 to prevent further rust, but it needs
>> to be
>> completely dry first.
>>
>> The battery caps are ultrasonically welded to the body. Something went
>> wrong here, and that's rare. It's a mature technology.
>>
>> --
>> *******************************
>> Jim Adney, jadney at vwtype3.org
>> Madison, Wisconsin, USA
>> *******************************
>>
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>
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-- 
Eugene, Oregon

http://s169.photobucket.com/albums/u236/mr_bojangles500/
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