All the European Diesel T3 motors that I have taken apart have a small hole like this in the diaphragm of the thermostat. Probably to prevent air locks. If there is a pocket of air next to the thermostat it will take a lot longer to open. David Marshall Fast Forward Automotive Inc. 4356 Quesnel-Hixon Road Quesnel BC Canada V2J 6Z3 http://www.fastforward.ca mailto:sales@fastforward.ca Phone: (250) 992 7775 FAX: (250) 992 1160 - Vanagon Accessories and Engine Conversions - Vanagon, Transporter and Iltis Sales and Importation - European Lighting for most Volkswagen models
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-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf Of George Goff Sent: January 12, 2004 10:31 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: not all thermostats are equal
In a message dated 1/12/04 12:45:59 PM, felder@KNOLOGY.NET writes: << my mechanic advised me to do what he did... drill a small hold (1/8 inch) in the edge of the thermostat to allow a bit of water to flow through even when closed. >> Why? George |
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