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Date:         Thu, 7 Dec 2000 10:54:34 -0500
Reply-To:     James Creech <jacreech@VISUALLINK.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         James Creech <jacreech@VISUALLINK.COM>
Subject:      Re: Expansion Tank Sensor
Comments: To: Stephen Overmyer <s.overmyer@UWS.EDU.AU>
Content-Type: text/plain; charset="iso-8859-1"

Aha! Mine has the little puddle around the sensor, but I thought it was a worn out O-ring. My dash coolant light only blinks when I am starting the engine, not ever that I've noticed when I am driving. Couldn't it just be the O-ring? Since my light doesn't blink continuously, but does at start up, wouldn't that indicate the sensor for the guage is still OK?

Jim Creech

> > It's a coolant level sensor. It causes the LED to blink when the > > coolant drops below a certain level. It will also blink if you don't > > have enough coolant in the coolant/water mix. > > > > And they typically fail such that they won't blink at all if the thing > > cracks allowing coolant up inside the plug where the contacts are.... > > sometimes it fails such that the light blinks all the time... > > ...and,if they crack,allowing coolant up inside the contacts it can > also start leaking out the top of the sensor plug,making a pool of > coolant (or at least the evidence of where it's been) in that little > depression around the plug.


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