[s-cars] Gelling coolant

[David Kase]

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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