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Date:         Tue, 19 Oct 1999 20:38:56 -0400
Reply-To:     "Malone, Pat" <salonikis@NETTALLY.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "Malone, Pat" <salonikis@NETTALLY.COM>
Subject:      Re: Cooling System: Strange Phenomenon
Content-Type: text/plain; charset="us-ascii"

By the way where is the thermostat on the engine ??

On Wed, 20 Oct 1999 02:18:19 +0200, Per Lindgren wrote:

>Two replies suggested the cap could go bad, but my first thought was that the >thermostat doesn't open enough or at all. With only the engine's volume, the >hot, expanding water has to go somewhere, possibly the expansion tank. A stuck >thermostat answers the overheating, too. > >PerL >87 Syncro 112i > >Eric Small wrote: > >> Ya'll, three weeks ago I performed my annual coolant maintenance on my '86 >> GL (180K miles). I emptied the usual 7+ of the total 18+ quarts and >> refilled with Autobahn coolant/water. I have done this many times but this >> time a problem. Everything seemed fine for several days of city driving >> but when I got out on the freeway ...at speed... coolant began to get >> pushed into the expansion bottle. Once in the expansion bottle it does not >> get pulled back in as would be normally expected with the expansion cycle. >> If I go too far the expansion tank will overflow. I have bled the system >> twice and still the same problem. Also of note, the van is running hotter >> than usual. I know... all indications are that there is still air present, >> but I have never had this problem in the past. Also, I don't believe there >> is any leakage into or pressure from the cylinders, etc. as all other >> operations, fluids, and emissions are normal. >> >> Does this make sense? Any thoughts? >> >> Eric Small >> '86GL 180Kmiles

Patrick N. Malone salonikis I C Q # 27236263


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