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Date:         Sun, 11 May 2014 22:55:16 -0400
Reply-To:     Jason <uberhare@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Jason <uberhare@GMAIL.COM>
Subject:      Re: 88 GL - Rear Heater Leak Test
Comments: To: Dennis Haynes <d23haynes57@hotmail.com>
In-Reply-To:  <BAY407-EAS3416AB13C916F050200EFCEA0350@phx.gbl>
Content-Type: text/plain; charset=UTF-8

Every rear heater core I've had leak, was followed by a set of head gaskets.... :(

Jason

On Sun, May 11, 2014 at 10:43 PM, Dennis Haynes <d23haynes57@hotmail.com>wrote:

> Keep in mind the valve only reduces/stops flow. The core sees full system > pressure. Pull it out of the housing. The leak is usually obvious where the > tubes eroded through or the side tanks separated. If you must test, use > some > hoses and fittings and connect to a regulated air supply. Pressurize to 20 > pi and submerge in water. You will find the leak. Other common leak spots > are the gasket between the core and valve and the bleeder screw breaking at > the head. > > Dennis > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of > JRodgers > Sent: Sunday, May 11, 2014 10:37 PM > To: vanagon@GERRY.VANAGON.COM > Subject: 88 GL - Rear Heater Leak Test > > Have a leak in the rear heater. Made an absolute mess of the carpet and > padding. > > I have it out of the vehicle. Any suggestions as to how to leak test this > thing. The summer/winter valve is new and has been working just fine with > no > leaks. Doesn't appear to leak there now. > > Open to ideas. > > Thanks. > > John >


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