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Date:         Tue, 12 Feb 2002 12:14:46 -0600
Reply-To:     Larry Alofs <lalofs@ENTERACT.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Larry Alofs <lalofs@ENTERACT.COM>
Subject:      Re: Weird Stuff----
Comments: To: David Richoux <tubaman@WOMBAT.NET>
Content-Type: text/plain; charset=us-ascii

David Richoux wrote: > > David Katsuki wrote: > > > > Where is there a coolant pressure sensor in the system? I've never seen > > one and don't recall > > any reference to one in the manual. > > as I mentioned in another part of this thread, AFAIK the coolant pressure is > determined by the temperature sensor - if the pressure is high the computer assumes > that the temperature is high. That is what the techs at VWOA HQ told me More like the other way around, IF the system is sealed. But I don't think the computer is concerned about the coolant pressure.

>They may have been full of crap,

You called that one.

> but anyway, from the Bentley I cannot tell how the Temperature Sensor II actually > works (thermocouple or pressure) - anybody know? > Semiconductor material with a NTC (negative temperature coefficient), meaning that its resistance goes down as the temperature goes up. BTW a thermocouple is a junction of two different metals which produces a small voltage which increases with temperature, not used in stock vanagons, AFAIK.

Larry A.


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