Date: Fri, 30 Jul 2010 19:29:50 -0700
Reply-To: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Subject: Re: Turning off rear heater
In-Reply-To: <AANLkTi=+SYOtcnKMu6qxC+SzJSn2DDCK2LqL=EssK2+f@mail.gmail.com>
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Its the dead ends that create air traps Ry - no way to get that air out
unless you bleed from the plugs you installed.
Jake
On Fri, Jul 30, 2010 at 5:18 PM, Ry <rylincoln@gmail.com> wrote:
> cool cool ;)
>
> mine are not connected together just both blocked off for the time being. I
> have new hose and T's and a heater valve. But it's 100 fricken degrees
> down
> here and I have zero motivation to reinstall the second heater.
>
> -Ry
> http://www.google.com/profiles/rylincoln
>
>
> On Fri, Jul 30, 2010 at 7:11 PM, Don Hanson <dhanson928@gmail.com> wrote:
>
> >
> >
> > On Fri, Jul 30, 2010 at 4:54 PM, Ry <rylincoln@gmail.com> wrote:
> >
> >> someone please tell me how you're creating a loop in which you will trap
> >> air
> >> any more than actually having the heater core hooked up? coolant is
> still
> >> traveling through the same path just not through a heater core...
> >>
> >>
> >>
> >> prepared to be schooled,
> >> -Ry
> >> http://www.google.com/profiles/rylincoln
> >>
> >> Basic hydraulics. Your circulatory (coolant) system is a closed
> > system, 'pressurized' (circulated?) by the water pump. Liquid will
> travel
> > through any path available and be at the same pressure in all the paths.
> So
> > when you (or when I did, without thinking it through) remove the rear
> > heater, the valve and the heater radiator both, and connect the hoses
> > together in a loop, you have simply created an always open loop through
> > which the coolant will constantly circulate at the same pressure as that
> > which is going forward to the main radiator. But now, at the rear
> 'loop',
> > it no longer passes through a radiator (the heater core) so it is simply
> > wasted circulation/ a diminishing of the effectiveness of your water
> > pump...With the rear heater in place and working...when you turn it on,
> you
> > get cooling of the coolant...Without that and an open loop, you get
> useless
> > circulation of the coolant only.
> > You won't get air locks or bubbles...you just get wasted function from
> > your water pump. If you closed off those hoses...the water hits a dead
> end
> > and then goes on through your real radiator, cooling the coolant...No
> > circulation through an un-cool loop...sorry for that one.
> > Don Hanson
> >
> >
>
--
Jake
1984 Vanagon GL 1.9 WBX 'The Grey Van'
1986 Westy Weekender/2.5 SOHC Suby 'Dixie'
Crescent Beach, BC
www.thebassspa.com
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27
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