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Date:         Thu, 25 Sep 1997 03:03:18 UT
Reply-To:     Dennis Haynes <dhaynes57@CLASSIC.MSN.COM>
Sender:       Vanagon mailing list <Vanagon@Gerry.SDSC.EDU>
From:         Dennis Haynes <dhaynes57@CLASSIC.MSN.COM>
Subject:      Re: Syncro runs hot (Thermostat)
Comments: To: Joe Wagner <vw4x4@FYI.NET>, Joe Wagner <vw4x4@FYI.NET>

The 2wd Vanagons will have the same problem. The main cause here is that some suppliers are pushing Audi T-stats for Vanagon stats. The other problem this can cause is that the disk will get wedged and jam the T-stat open. The lesson! Check all parts carefully before installing.

Dennis

-----Original Message----- From: Vanagon mailing list On Behalf Of Joe Wagner Sent: Tuesday, September 23, 1997 7:15 AM To: Vanagon@GERRY.SDSC.EDU Subject: Syncro runs hot (Thermostat)

HI ALL,

Well after several major tries at lowering the temperature in my Syncro, I have found yet, another very minor cause that has added to the problem. The Thermostat. Thanks to Dennis Haynes, he led me to check this and found a difference between many after market thermostats and the factory. The problem is the disc on the bottom. The after market thermostats have a larger disc which does not allow the thermostat to fully close off the bottom of the housing and also does not allow the thing to open fully. The net result is a temperature that will change very quickly. On the highway the temp. would come down below the LED. Within 30 seconds after stopping, the temp. would be above the light. I would believe that this is a problem isolated to the Syncro only, because the housing is not the sane as the Regular Vanagon. (cast Aluminum). Why it is different I can only guess. After I installed a factor thermostat the temp. is now very stable, running just above the LED. Still to hot for me, but one more problem solved.

ERic 1986 VW4x4 * 1972 240z * 1936 Chrysler NO wife No kids.. But paying for them anyhow!


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