air at the end of a closed run wouldn't matter.

is this getting overthought or what ?

Remove or plug hoses to rear heater, end of story.
just connecting the two hoses and bypassing the rear heater is not a good
idea .

lol..that's the Whole Story.

still never did find out what the deal was with the original poster , unless
I lost track of who that is.

----- Original Message -----
From: "Jake de Villiers" <crescentbeachguitar@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, July 30, 2010 7:29 PM
Subject: Re: Turning off rear heater

> 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