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Date:         Fri, 20 May 2005 17:39:47 +0000
Reply-To:     joe trussell <vanagongl@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         joe trussell <vanagongl@HOTMAIL.COM>
Subject:      Blinking Coolant LED light and other cooling issues
Content-Type: text/plain; format=flowed

I am having a hard time figuring this out.  Well, two things actually.


1.


The tank is full of coolant, yet the LED light continues to blink after
startup.  And I have bled the system several times, all filled up and no
leaks that I'm aware of.


I pulled the connector and ran a wire between the two connectors to provide
the loop, and it still blinked, so I figured it's a bad ground.


I ran a separate ground to the switch grounded on the chassis.  Went and
turned it over, and no blinking light!  I went ahead and connected it like
that, ran the wire, everything's fine.


I went back in when I was finished, started it, and the light was blinking
again.  Went back and checked all of my connections, everything looks good.
Went back, started it again, no blinking light!!!


One more time for good measure--Started it up, and the light is blinking
AGAIN!!!!


I think I've troubleshot the switch and the ground, so I don't know what the
deal is.


2.
When I'm driving in traffic, the gauge gets way up, much higher up than on
any of my previous vanagons.  When it gets up just about to the top, like
15/16th's, the cooling fan comes on and backs it down slightly, but not
much.  There is no sign of overheating, though; everything looks good.  I
drove it 1200 miles to Kansas City and back a couple of weeks ago, and on
the highway it stayed right above the LED (the blinking LED) for the whole
trip.  In traffic, it would climb way, way up there, the fan would come on,
and it would go down slightly.


I replaced the instrument cluster with one w/tach out of an '84 a couple of
weeks ago.  I was thinking maybe the gauge was bad, because my old cluster
never got that hot on the gauge.  BUT, I did have the blinking LED problem
on the old cluster as well.


I apologize for the length of this query, and I appreciate any and all
suggestions.  This problem is making my Vanagon driving experience much more
stressful than need be!


Thanks,
Joe T.
Denver, CO
'85 Wolfsburg Westy


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