[s-cars] Gelling coolant

[chris chambers]

Ancient Chinese secret?


--- djdawson2 at aol.com wrote:

> You may want to scale back from a chemically assisted flush to a
> detergent assisted flush.  In the fleet maintenance industry, one of
> the favorite flush agents is actually Calgon dishwashing detergent. 
> It will thoroughly clean and break up hard water scale deposits...
> and it will not potentially damage seals or cause harm to engines
> that use several metals in their assemblies. 
> FWIW,
> Dave
>  
>  
> -----Original Message-----
> From: gislio at gmail.com
> To: s-car-list at audifans.com
> Sent: Mon, 16 Apr 2007 8:49 AM
> Subject: Re: [s-cars] Gelling coolant
> 
> 
> Thanks, all, for the input.  A thorough, chemically assisted flush
> will be
> performed post haste.
> 
> The sludge in my expansion tank is still quite reasonably runny.  It
> is
> definitely more pink than brown.
> 
> I am relieved that there is relatively general consensus that this is
> due to
> the mixing in incompatible fluids, rather than being attributable to
> some
> malfunction.
> 
> Gisli
> 
> 
> On 4/16/07, David Kase <davekase at pdqlocks.com> wrote:
> >
> > FYI, I got a nasty coolant system cleaner from a auto supplier a
> few
> > years ago.  This stuff had an acid that you ran through the system,
> then
> > you had to flush with (the included) neutralizer and water before
> adding
> > the new coolant.
> >
> > I call it "nasty" because it seems pretty damn strong.  I believe
> it was
> > compatible with all system plastic and such but I did two
> additional
> > water flushes to be sure.
> >
> > If you can find this stuff, it might be your best bet.  It was in a
> > yellow cardboard canister.  The components were in powder form.  I
> will
> > try to see if I have one laying around to provide more info.
> >
> > Dave Kase
> >
> >
> >
> > Tom Winter wrote:
> >
> > >On 4/16/07 3:04 AM, "G?sli ?ttarsson " <gislio at gmail.com> wrote:
> > >
> > >
> > >
> > >>I have noticed that the coolant in the expansion tank has a
> strange
> > texture
> > >>to it.  It is almost like it is beginning to gel.
> > >>
> > >>
> > >
> > >
> > >This sounds suspiciously like your system has incompatible
> coolants that
> > may
> > >have mixed, maybe only a small amount. But something is funky for
> sure.
> > >
> > >Regardless of what it is, you need to flush the system immediately
> > because
> > >if your coolant does gel, then it is VERY VERY BAD.
> > >
> > >At least I'd flush the system immediately. There's plenty of
> reasons to
> > do
> > >this given the symptoms you've described and the only reason not
> to at
> > this
> > >point is laziness (which is an attribute that I'm proud to have in
> > copious
> > >amounts). But seriously, don't be lazy on this score.
> > >
> > >Tom
> > >'95 S6
> > >
> > >_______________________________________________
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> > >S-CAR-List at audifans.com
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> > >
> > >
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> >
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