Ben,
    I have to disagree strongly.   The lack of numbers
is intentional because numbers are not what is
important.
    All vanagon users need to calibrate their temp
gauge.   Three points of interest need to be
calibrated.
   First where is the temp gauge when the thermostat
opens completely.
    Second where is the temp guage when the low speed
fan kicks on.
   Third where is the temp guage when the high speed
fan kicks on.
    Once calibrated any change from these calibrated
values should be viewed with extreme suspicion that
something is wrong and not with the gauge.
     One other value that cannot be calibrated is how
high should the gauge go to while the high speed fan
is on going up a hill on a hot day.   How high before
you turn the heater on to drop the gauge a bit.
If you loose any coolant you are running the gauge too
high?   I for one feel the gauge is the most reliable
part of the coolant system..   gary

Date:    Thu, 24 Jun 2004 13:25:51 -0400
From:    The corruptor <huotb@VIDEOTRON.CA>
Subject: Re: head Gasket again!!

The vanagaon temp gauge is crap..... if you want a
good reading of head
/
engine temp, buy a aircool head temp gauge with
sender.

there is only 2 reasons that the head gasket did blow

over pressure or bad seal of the gasket.

-bad sealing head side of the gasket, the use of a
recommended sealant
is a
must...also, if the matting (head side) is to flat ans
polish, the
sealant
won't stick for long.... this surface as to be rough
up!!!

-Have a coolant pressure test done
http://www.benplace.com/pressure_test.htm

This will tell you about head cracks or a coolant
components failure.

And change that extpansion tank cap.

All outer aftermarket head gasket i have seen are
close to crap, i
would
only use OEM VW head gasket.

Ben
http://www.benplace.com/vw.htm

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