[s-cars] Gelling coolant

Mark Pollan mark.pollan at verizonbusiness.com
Tue May 1 09:58:37 EDT 2007 

Definitely on the urS but perhaps not on the //S8 Chris.  The success is
indeed good news!

Mark



-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of chris chambers
Sent: Tuesday, May 01, 2007 9:47 AM
To: Gísli Óttarsson; s-car-list at audifans.com
Subject: Re: [s-cars] Gelling coolant

Gisli,

glad to hear you were succesful!

For future reference there is a drain on the radiator, it is
blue and looks like a phillips screw head.

Chris


--- Gísli Óttarsson <gislio at gmail.com> wrote:

> Just thought I would wrap up this thread and thank all participants.
> 
> In the end my coagulation/gelling situation was far less dramatic
> than was
> indicated by the contents of the expansion tank.  I have to assume
> that the
> jelly was of lower density and was rising to the top.
> 
> Anyway I flushed the contents of the cooling system thoroughly.  In
> the
> first round I added almost a cup of dissolved automatic dishwasher
> detergent.  This was followed by three flushes with clean water. 
> Every
> flush was followed by a ride around the neighborhood with the heater
> on
> high, until fully warmed up.
> 
> Finally, I added  4.5 liters of G12 antifreeze and topped up with
> water.
> 
> I should add that I was somewhat mystified by the lack of a draining
> cock on
> the radiator.  In the end I pulled the lower hose, which wasn't a big
> deal
> and toward the end I didn't bother tightening the clamp between
> flushes.
> 
> All in all, a good day in the driveway.
> 
> Thanks, all.
> 
>   Gisli
> 
> On 4/17/07, Tom Green <trgreen at comcast.net> wrote:
> >
> > I'll jump in to say, no, it hasn't been mentioned in this thread
> yet,
> > Jim.
> > I had considered it, but never mentioned it since Gisli wrote that
> the
> > coolant was still mostly pink.  If it were oil globules or milky
> coolant
> > I felt he would have recognized that and said "I've been robbed".
> > It appears to be the classic mixing of incompatible coolants.
> >
> > I was joking about the Icelandic hot water but had to mention it
> since
> > I had these visions of the deposits in the mineral pools and smells
> > that stay with you a long time.
> >
> > Tom
> >
> > On Apr 17, 2007, at 1:20 PM, Pasqualoni, James E wrote:
> >
> > > Gisli,
> > >
> > > I am late to this thread, so please excuse me if this has already
> > > been mentioned-are you sure there is no oil in the coolant, ie
> head
> > > gasket leakage?
> > >
> > > Jim
> > >
> > > -----Original Message-----
> > > From: s-car-list-bounces at audifans.com [mailto:s-car-list-
> > > bounces at audifans.com] On Behalf Of Gísli Óttarsson
> > > Sent: Tuesday, April 17, 2007 1:18 PM
> > > To: Tom Green
> > > Cc: s-car-list at audifans.com
> > > Subject: Re: [s-cars] Gelling coolant
> > >
> > > Tom:
> > >
> > > I nearly responded to your previous message about de-mineralized
> > > water by commenting that that is what comes out of our cold-water
> > > taps here in Iceland.  No such luck for the hot-water tap.  This
> is
> > > so polluted by minerals and sulfur that you would think someone
> let
> > > eggs rot in your bathroom.  Good for the teeth and the
> sperm-count,
> > > I suppose, but I would not dream of letting it anywhere near my
> > > Audi.  And no, the car only recently arrived on Icelandic shores
> so
> > > it is a near certainty that this is not what's ailing the cooling
> > > system.
> > >
> > > Gisli
> > >
> > > On 4/17/07, Tom Green <trgreen at comcast.net> wrote:
> > >>
> > >> I think your caution is don't shock the engine by removing the
> > >> coolant
> > >> and/or giving it a big dose of cold water.  But, it doesn't
> require a
> > >> long cool-down period before draining since the temps are
> > >> equalized by
> > >> running at idle.  I would be cautious about dumping a lot of
> cold
> > >> water from a hose with lots of pressure and flow into the
> reservoir.
> > >> Besides, you are likely to cause the thermostat to close and
> really
> > >> slow down the process.  Use some warm water to temper the water
> if
> > >> you
> > >> are nervous about it.  Add slowly in any case, you won't use
> that
> > >> much
> > >> per flush.  I would suggest using some of that Icelandic
> geo-thermal
> > >> water but I've seen the mineral content.  :-)   Hmmmm, could
> that be
> > >> what's in the coolant now?  :-)
> > >>
> > >> Tom
> > >>
> > >>
> > >>> Date: Tue, 17 Apr 2007 09:30:20 -0400
> > >>> From: Mark Pollan <mark.pollan at verizonbusiness.com>
> > >>> Subject: Re: [s-cars] Gelling coolant
> > >>> To: s-car-list at audifans.com
> > >>> Message-ID: <000a01c780f4$8b9100e0$910e9283 at mcilink.com>
> > >>> Content-Type: text/plain; charset=iso-8859-1
> > >>>
> > >>> Best/required to let her cool down before you drain and refill
> no?
> > >>>
> > >>> Mark
> > >>>
> > >>> -----Original Message-----
> > >>> From: s-car-list-bounces at audifans.com
> > >>> [mailto:s-car-list-bounces at audifans.com] On Behalf Of G?sli
> > >>> ?ttarsson
> > >>> Sent: Monday, April 16, 2007 7:13 PM
> > >>> To: Tom Green
> > >>> Cc: s-car-list at audifans.com
> > >>> Subject: Re: [s-cars] Gelling coolant
> > >>>
> > >>> This seems straightforward enough.  I'll probably have a go
> this
> > >>> week-end, if weather permits.
> > >>>
> > >>> Gisli
> > >>>
> > >>> On 4/16/07, Tom Green <trgreen at comcast.net> wrote:
> > >>>>
> > >>>> I'll have to defer to Dave Dawson on the details, but, you
> have the
> > >>>> right idea, and the Finish should be fine. This is dishwasher
> > >>>> detergent, not the dishwashing detergent for hand-washing
> dishes.
> > >>>>   I suggest about a half cup or two times the normal
> dishwasher
> > >>>> amount.  Drain the coolant first and refill with water and add
> the
> > >>>> Finish.
> > >>>> You don't want to operate the car, just run the engine until
> it
> > >>>> gets up to temperature, then about 15 to 20 minutes at idle to
> let
> > >>>> the cleaners work in the system including the heater.  Then
> drain
> > >>>> and refill with water, bring to temperature, drain and repeat
> until
> > >>>> the coolant water is perfectly clear.  It may take several
> times to
> > >>>> remove all the old
> > >>>> coolant and the dishwasher detergent.   Even the low sudsing
> > >>>> dishwasher detergent
> > >>>> can foam some, so it is important to completely flush all
> traces
> > >>>> from the cooling system or a slight amount of foam can cause
> an air
> > >>>> block in the system and a localized over- heating can occur. 
> Who
> > >>>> knows if it is compatible with coolant?
> > >>>> I suspect those fleet maintenance guys have a power flushing
> > >>>> machine to expedite this process.
> > >>>> It is a good practice to use de-mineralized (soft) water for
> the
> > >>>> make-
> > >>>> up portion of the
> > >>>> coolant.
> > >>
> > >>
> > >>
> > >> _______________________________________________
> > >> S-CAR-List mailing list
> > >> S-CAR-List at audifans.com
> > >> http://www.audifans.com/mailman/listinfo/s-car-list
> > >>
> > > _______________________________________________
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> >
> >
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> 


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