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Date:         Fri, 13 Jul 2001 19:08:00 -0400
Reply-To:     Paul Cavanaugh <phonyexpress@IWAYNET.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Paul Cavanaugh <phonyexpress@IWAYNET.NET>
Subject:      Re: 4th heater core burst in 1 year!
Comments: To: Larry Alofs <lalofs@enteract.com>
In-Reply-To:  <3B4BB5DC.8550FD51@enteract.com>
Content-Type: text/plain; charset="us-ascii" ; format="flowed"

Hi Larry,

We tested the old pressure cap and found it failed on the weak side - not holding any pressure at all.

My mechanic is out of ideas...Suggests we wait for the next thing to break!

I am trying another VW place next week.

> > >> >Paul Cavanaugh wrote: >> > >> >> Well, the mystery continues... >> >> >> >> My mechanic tested the coolant (while the engine was both hot and >> >> cold) for traces of combustion leakage (hydrocarbons in the cooling >> >> system) and found nothing. >> >> >> >> He also found no excessive pressure in the oooling system (I replaced >> >> the expansion tank pressure cap 2 weeks ago, just to be safe). > >I am quite certain that your problem was caused by a bad pressure cap that was >not releasing when it should. With a working pressure cap, the pressure >should never build up high enough to cause the repeated damage you describe. > It is logical that there is no excessive pressure now if you have recently >replaced the cap. > >Larry A.


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