Not all of us flush the system & change the coolant every 2 years.   :)

On Nov 6, 2007 11:11 AM, Karin Baker & Raymond Paquette <
raymondpaquette@gmail.com> wrote:

> Ben
>
> Given all the dire warnings about keeping some flow through the rear core,
> I
> was wondering, why everyone, in any car, didn't experience the same
> rotting
> heater core if they didn't keep the flow on all the time.  It's always
> good
> to question the accepted wisdom and get people thinking.  Usually the
> wisdom
> stands on good reason, but sometimes not.
>
> Raymond
>
> On 8/4/07, Benny boy <huotb@videotron.ca> wrote:
> >
> > I don't agree at all on the flow/no flow thing, hot VS cold coolant
> > running
> > or not in the rear heater core, or front for that matter. I have a brand
> > new
> > rear valve and heater in front of me, i can not blow air in it when
> close.
> >
> > If any chemist on the list, speak!
> >
> > Those heater core are simply old and if i may add, not so well located
> > (they
> > always leak at the bottom), everytime i fix one or remove one it's full
> > of... stuff under this one, water, salt, coolant, coke, coffe.
> >
> > Anyway, what is the purpose of that thread? if it leak, change it or
> > remove
> > it. You will be good for another 15 years.
> >
> > Ben
> >
> > On Sat, 4 Aug 2007 11:21:31 -0400, John Meeks <vanagon@GMAIL.COM> wrote:
> >
> > >Scott,
> > >I recall when I had my rear heater core apart that the valve had a
> > >small bypass groove or hole to allow some coolant to flow even with
> > >the valve in the off position. Can anyone else confirm this?
> > >John Meeks
> > >
> > >Vanagon Rescue Squad
> > >http://www.vanagonauts.com/Vanagon_Rescue_Squad74.htm
> > >
> > >'91 Multivan, '85 GL
> > >Northern Michigan
> > >KC8ZFN
> > >
> > >On 7/31/07, Scott Daniel - Shazam <scottdaniel@turbovans wrote:
> > >> It MUST either have the valve under the rear seat at least half on to
> > keep
> > >> coolant circulating, or the rear heater should be disconnected.
> > >> LOTS of vanagons have the rear heater water valve closed, the coolant
> > sits
> > >> in there and rots out the rear heater core.
> >
>

--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
www.crescentbeachguitar.com
http://subyjake.googlepages.com/