My $0.02. Steam mixed with combustion gases can erode holes in cylinder
heads or any metal. I wouldn't leave this too long. Even if you are
putting in a quart every few hundred miles, the stuff that is leaking out is
up to no good.

Earle

"Elle" <honda.lioness@nospam.earthlink.net> wrote in message
news:7yWlg.8571$o4.2490@newsread2.news.pas.earthli nk.net...
>
> "Grumpy AuContraire" <Grumpster@GrumpyvilleNOT.com> wrote
> > Elle wrote:
> >> "Grumpy AuContraire" <Grumpster@GrumpyvilleNOT.com> wrote
> >> JT, what "el cheapo block seal treatment" product did you
> >> use?
> >>
> >
> >
> > CRC/KDS which is available at most autopart stores for
> > under $10.
> >
> > Follow directions except I doubled the running time and
> > drying time.
> > And my car had bubbles in the coolant. I had problems
> > after with
> > lowering coolant levels (air in the closed system) but
> > that was due to a
> > crack in the elbow of the coolant recovery tank. JB Kwik
> > Weld took care
> > of that and the system works perfectly now maintaining the
> > coolant level
> > at exactly the "full" mark on the tank.
>
> Okay.
>
> > Overheating can also result from stuck thermostats or
> > failing waterpump
> > though these are not typical on Hondas.
>
> Right, but with the loss of coolant, ISTM she's looking at a
> cylinder head cooling system breach.
>
> The water pump was changed just a few months ago, during a
> timing belt job.
>
> Air purges have also been done. She with the shops has been
> topping off the system as needed. Yet it won't stop
> overheating every so often.
>
> > If no bubbles in the coolant, I would not suspect the need
> > for block
> > seal. A clean system seems to be the need here...
>
> I will see when she last had a coolant change. Thanks for
> the input.
>
>



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