Date:         Fri, 13 Jul 2001 18:18:23 -0700
Reply-To:     Ari Ollikainen <Ari@OLTECO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Ari Ollikainen <Ari@OLTECO.COM>
Subject:      Re: 4th heater core burst in 1 year!
Comments: To: Paul Cavanaugh <phonyexpress@IWAYNET.NET>
In-Reply-To:  <a04320401b775300dfeff@[206.21.106.97]>
Content-type: text/plain; format=flowed; charset=us-ascii

At 7:13 PM -0400 7/13/01, Paul Cavanaugh wrote:
>Hi Leon,
>
>I have lost two trans coolers, so I will look into the "supercooler",
>maybe check Rocky Mountain motorworks.
>
>My mechanic tested the OLD cap and found it failed on the weak side -
>wasn't holding any pressure.
>
>He has no idea what has caused the 4 heater cores and 2 transmission
>coolers to go.
>
>Mechanic's assistant says BMW & VW are the only ones he know of that
>mount the coolers on the transmission; everyone else runs hoses up to
>a cooler by the radiator. Also says VW is the only ones he's ever
>seen go bad.
>
>Any other ideas? I have an appointment next weak at another repair shop...
>

        Well...think about what's common about the coolant circulation
        path in this case. Isn't it true that coolant circulation to
        both of these is NOT controlled by the thermostat because they
        share the coolant path with the engine (ie on CLOSED side of
        the thermostat)?

        I'll bet the reservoir cap blew at least ONCE instead of these...

        Or perhaps I'm all wet...


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        OLTECO                    Ari Ollikainen
        P.O. BOX 20088            Networking Architecture and Technology
        Stanford, CA              Ari@OLTECO.com
        94309-0088                415.517.3519