[Vwdiesel] Citric Acid

[Mark Shepherd]

Is acid the way to go however mild? Wont any acid prefer the Al in
preference to crud; and effectively eat around the crud? Surely the way to
go would be a 'cleaner' and rinse...
MTM
----- Original Message -----
From: James Hansen <jhsg at sasktel.net>
To: VW-Diesel List <vwdiesel at vwfans.com>
Sent: Sunday, November 06, 2005 4:19 AM
Subject: Re: [Vwdiesel] Citric Acid


> Hmm. Too late.
> It is isolated from the system, no stock hoses will be used/effected.
>
>
> Because he owns one.
> Waaaaaahaaaaahaaaa!
> good one.
> :-)
>
> I'll go have a looksee if the outside of the heater hose I used smells
like
> oranges or gummy bears yet.
>
> He's afraid of eating the hoses up? So that's where they get gummy bears
> from...
>
> The Benzoids use the stuff all the time, they just buy expensive citric
acid
> gatorade from the dealer and dump it in, drive about until it quits, then
> dump the coolant, rebuild the engine pump and injectors, after which it
> willl overheat less.  I'm just trying get some more cabin heat for my
girls.
> I suspect a can of sealie pop went in sometime before I owned the car
which
> effectively sealed the heater core. Thsi one has always been poor in
winter
> for heat.  All the others can roast weiners on the dash, this one keeps
the
> salad fresh.
> -J
>
> -----Original Message-----
> From: Val Christian [mailto:val at mongobird.com]
> Sent: Saturday, November 05, 2005 8:54 PM
> To: jhsg at sasktel.net
> Subject: Re: [Vwdiesel] Citric Acid
>
>
> A chemist / Volvo repair person (because he owns one...ha ha) says
> use 1 oz of simple green, then triple flush.  Then muratic acid, 3 oz
> for a 10qt system.  Heat up to temp for 20 minutes, and triple flush.
>
> He's apparently concerned about citric acid and rubber hoses.
>
> Val
>
> >
> >
> > Sooo....  I wish to flush the heater core on the Passat.
> > I have a jug of citric acid (dry powder) with which to do the job.
> > Expensive pink juice is out, suitable plumbing devices in place to
isolate
> > the heater core from the rest of the system.
> > How long to leave the stuff in?
> > I know with a chemical acid, it isn't long before you get to see
through
> > thin aluminum like heater cores and such, but i have no experience with
> this
> > stuff other than using it to alter pH of water a few points when crop
> > spraying.
> > How long should I leave the organic acid in place?
> > Any good guesses?   Any actual hands-on experience?
> > I'm looking at leaving it in place overnight.
> >
> > Attempted methodology is to flush with boiling H2O and sodium
metasilicate
> > to remove any surface oil so the acid can get to it. Organic acid is
> pretty
> > mild (think sour gummy bears).  So remove the cleaner, then pour in
warm
> > gummy bears... er... warm acid solution, and leave overnight. Drain and
> > flush after church tomorrow.
> >
> > If this is too long a time to sit, lemme know, I'll check mail tonight.
> > If it's too long, and you don't get back to me by Monday, that's okay,
> I'll
> > have found the puddle under the heater core by then. :-)
> > -James
> > --
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10/24/2005
> >
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