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Date:         Wed, 10 Apr 2002 13:25:55 -0400
Reply-To:     Craig Bodie <cbodie2000@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Craig Bodie <cbodie2000@HOTMAIL.COM>
Subject:      '87 Transporter Overheating - Second Try
Content-Type: text/html

<html><div style='background-color:'><DIV><FONT size=2>
<P>Webster defines guru as a mentor, therefore I'm not a Vanagon guru by any means. </P>
<P>In my quest for learning how to cool my '87 GL Transporter, I have found some interesting characteristics which may help in a solution. </P>
<P>The vehicle has around 135k miles on it. The heads have been repaired less than a year ago. </P>
<P>While sitting still in my driveway the vehicle gets hot enough to boil the coolant. My thermoswitch is operational, but seems that only the low speed activates (85C) with short time duration even when the temperature gage approaches the upper limits, way past the expansion tank level warning light. I can jump the thermoswitch, activating the high speed fan mode, and increase the rpms to get good water pump flow, then the van will cool while sitting. Since the temperature gage sensor is in the back it measures more accurately the temperature of the motor, while the thermoswitch measures the radiator temperature. </P>
<P>Sounds like the thermoswitch isn't getting a accurate measurement, therefore isn't working as it should. Thermoswitch is good (new). Water pump seems good. Heads are good. </P>
<P>Radiator: Sounds like a cool spot on the radiator. If this sounds logical, does this entail replacing the radiator? </P>
<P>Thermostat: What are the symptoms of a poor thermostat? </P>
<P>Bleeding system: It most likely could use a bleeding after my thermoswitch replacement, but I don't wanna become a Vanagon bleeding expert by repeatedly bleeding the system as I replace components. Especially if this information helps in pinpointing a possible root cause other than just bleeding the system. </P>
<P>Summer's coming, and S. Carolina won't be friendly to the VW Vanagon. </P>
<P>Suggestions/Comments/Help? </P>
<P>Craig</P></FONT></DIV></div><br clear=all><hr>Get your FREE download of MSN Explorer at <a href='http://g.msn.com/1HM505401/13'>http://explorer.msn.com</a>.<br></html>
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