Date:         Tue, 25 Jan 2005 15:58:46 -0500
Reply-To:     tabe johnson <xtabe@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
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From:         tabe johnson <xtabe@YAHOO.COM>
Subject:      Coolant going from expansion into refill tank and overflowing
              refill tank
Content-Type: text/plain; charset=us-ascii

Hi Everyone,

(Per Bentley, the refill tank is the one you can get at through
the license plate door; the other is called the expansion tank)
My 1987 Westy puked coolant into the refill tank twice last
summer during and after long hot highway drives.  I bled the
system and did nothing else.

The other day the coolant level light went on.  Sure enough,
the refill tank was overfull and the expansion tank was way down. I
refilled and bled and the same thing happened after a highway
drive the next day.  I noticed a steady stream of bubbles going
into the refill tank when the engine is warm.  The rate of bubbling
 _may_ increase with engine RPM but I'm not positive of that yet.

I checked the expansion tank cap.  It holds pressure.  I pressurized
the system to 15 PSI with the engine cold.  The pressure was
14.5 PSI after one hour.  I watched the pressure when I started the
engine.  It didn't soar immediately.  A compression test shows

Cyl #    Jan 2004    Jan 2005
 1             160            145
 2             155            157
 3             150            143
 4             170            165


What's next?  I'm gonna look at messages from the last couplea
weeks too cuz I remember others going through similar things...

Thanks for all suggestions,

--tabe johnson
xtabe@yahoo.com


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