In a message dated 3/31/01 1:19:38 PM Pacific Standard Time,
KVacek@Ameritech.net writes:
<< GM makes "Cooling System Seal Tablets" and the ingredients are ground
ginger, ground almond shells, and boric acid. Dry, brown, compressed
tablets just small enough to fit through the radiator neck.
I usually put a couple in every cooling system after a flush just for
insurance against any small leaks, loose hose, etc. Never had a problem
from it being there.
Bar's Leaks makes dry tablets that look similar, but no ingredients are
listed. >>
As near as I can tell, the GM stuff and Bars leaks are the same. This is
really good stuff as the particles are not large in size reducing the chances
of clogging a heater core. Also it does not discolor the antifreeze like
aluma seal does.
>From what I'm told, the stuff is used at the factory preventing nuisance
seepage from hoses, porous blocks and such.
Bars leaks used to make/still makes a mixture of brown liquid/pellets. This
stuff seems to be a guaranteed ticket to a clogged rad or heater core.
Harold
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