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Date:         Wed, 13 Sep 2000 20:49:29 -0600
Reply-To:     "Justin B. Jensen" <jjensen@SPRINTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "Justin B. Jensen" <jjensen@SPRINTMAIL.COM>
Subject:      Re: Coolant leak. Rear heater control valve?
Comments: To: Hans Brouwer <hbrouwer@ISTAR.CA>
In-Reply-To:  <39C0343A.45A2886A@istar.ca>
Content-Type: text/plain; charset="iso-8859-1"

I've changed two rear heater cores that leaked. In both instances the leak was attributable to the heater core assembly itself, not the ancillary components. I would purchase the o-ring with the heater core but the rest of your components should be o.k. for re-use.

Justin Jensen SLC Utah

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM]On Behalf Of Hans Brouwer Sent: Wednesday, September 13, 2000 8:13 PM To: vanagon@GERRY.VANAGON.COM Subject: Re: Coolant leak. Rear heater control valve?

Hi,

The Bus Depot lists the following parts to replace the the rear heater core plus the plastic end housing(s?). The cost would be roughly $120 for the parts plus whatever the radiator place will charge to crimp the pieces together plus do a pressure test. for the time being I will leave it out since I do not use the Westfalia during the winter.

O-ring, rear heater core to valve, 82-91 Vanagon $2.29 861 819 297

Rear Heater Core,82-91 Vanagon - (also order O-Ring, 861 819 297) $69.95 867 819 121A

Bleeder, Rear Heater Core, Vanagon $1.99 861 819 039

Rear Heater valve, Vanagon $42.95 867 819 809B

Hans Cumberland, Ontario 86 Westfalia

Stuart MacMillan wrote:

> Hans Brouwer wrote: > > > > I have the same problem. The leak seems to be between the core and the > > plastic housing. My best guess is that the 2 seals (rubber O rings) between > > the plastic and core need replacing. The Bus Depot has them on back order. > > > > The question is how do you separate the side plastic cover from the heater > > core? It looks it is crimped on > > It is crimped on, and if you have a leak there it is time for a new > heater core. Competent radiator shops have the tools to rebuild these, > but it costs as much as a new one--$70 or so from BD. Don't waste your > time trying to fix this one, it will just start leaking somewhere else > soon. They are under designed for the use they get over 10 to 15 years, > primarily because most of the time the valve is left open and the core > is constantly going through the heating and cooling cycle. To get > longer life out of the next one close the valve in the summer. > > > > For the time being I removed the heater core. You can plug the rubber hoses > > with a bolt and put some clamps on it, or make a U shaped bypass out of > > copper pipe (double clamp it), > > You will not get much flow to the front heater core if you do this, it > will take the path of least resistance back to the engine, and this is > it. > > or remove the rubber hoses in its entirely. > > This is what I did since I was doing a complete flush anyway. I replaced the > > T fitting under the Westfalia with a straight one. > > > > Hans Brouwer > > 86 Westfalia > > Cumberland, Onatrio > > > > Drew Bedford wrote: > > > > > As I pulled out the back seat of my Westy I discovered a long-hidden > > > coolant leak. The slow leak is coming from what I believe to be the > > > control valve for the rear heater. I didn't even know there was one. > > > Can't find a picture of this part in my Bentley, so I'm appealing to the > > > list to confirm my suspicions. The leak seems to be coming from behind > > > the control lever (aluminum) itself. Is this something that is fixable > > > with a new seal, or is this part notorious for leaking and needs to be > > > replaced in total? > > > > > > TIA, > > > Drew Bedford > > > 83.5 Westy > > > Park City, Utah > > -- > Stuart MacMillan > Seattle > > '84 Vanagon Westfalia w/2.1 > '65 MGB (Driven since 1969) > '74 MGB GT (Restoring) > > Assisting on Restoration: > '72 MGB GT (Daughter's) > '64 MGB (Son's) > > Parts cars: > '68 & '73 MGB, '67 MGB GT


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