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Date:         Sun, 11 May 2014 22:43:57 -0400
Reply-To:     Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject:      Re: 88 GL - Rear Heater Leak Test
Comments: To: JRodgers <jrodgers113@GMAIL.COM>
In-Reply-To:  <537033D8.2090303@gmail.com>
Content-Type: text/plain; charset="US-ASCII"

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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