You have air in the system. Assuming you have bleed the
system correctly, it will take severly weeks, for the gauge
to settle back to the original postion.

            Eric                   86-VW4x4
            vw4x4@fyi.net          72-240z
            Pittsburgh, PA USA     1936-Chrysler

On Tue, 23 Feb 1999, Tim Vogelin wrote:

>         Ever since I had to flush and fill and bleed the cooling system on my 84'
> the gauge has read a little higher then before.  It used to have green=bad
> antifreeze and now has blue autobahn stuff.  It used to read right in the
> middle of the led but now reads right at the top of the led.  This has been
> fine but today I noticed the gauge reading a little warmer once I came to a
> stop light off of the highway.  It hasn't done this until today.  I drive
> for about ten minutes at about 70 on my way to work.  Once I got to work I
> checked the overflow tank and noticed that the level didn't seem any higher
> than it was cold.  I am thinking maybe the pressure cap on the expansion
> tank is not working correctly.  Is that a good guess?  If so, anybody know
> the part number so I can order from a foreign auto parts store instead of
> the VW?  Also, is there a way to check if the fan switch on the radiator is
> working correctly?
>                                 Thanks in advance.
> Tim  Vogelin
> 84' Wolfsburg
> Appleton, WI
>