the heater circuit is separate from the main radiator circuit.

you are short circuiting the front heater though, if you just join the rear
heater hoses.
The front heater will still work,
but why not send all the heater circuit coolant to the  front heater
exclusively, as would be normal.

Scott
turbovans
----- Original Message -----
From: "Richard Koerner" <rjkinpb@SBCGLOBAL.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, December 04, 2011 4:46 PM
Subject: Re: Leaking Rear Heater

> List wisdom says to plug the inlet and outlet to the heater if removing,
> not bypass; otherwise you're returning hot coolant right back to the
> engine instead of letting it do it's journey up to the radiator and back.
>
> Rich
> San Diego
>
> --- On Sun, 12/4/11, tim <h2oboxer@OPTONLINE.NET> wrote:
>
> From: tim <h2oboxer@OPTONLINE.NET>
> Subject: Leaking Rear Heater
> To: vanagon@GERRY.VANAGON.COM
> Date: Sunday, December 4, 2011, 4:25 PM
>
> Finally found out the source of my cold weather leak: rear heater core.
>
> I would like to remove the core and just connect the hoses together.
>
> What if the ID of the hoses that go to the rear heater?
>
> Thanks