Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: running hot....any ideas?
From:Joseph Fortino
Date:Fri, 3 Feb 2006 06:21:31 -0800

This is what my 85gl is doing with a new termostat/water pump, seems air is out. my fan does come
on,my needle just moves up higher now with this new termostat in. little above LED but never blinks ;)
good thing..

new termostat gone bad early? sucks..

Joe

-----Original Message-----
>From: Sam Walters <sam.cooks@VERIZON.NET>
>Sent: Feb 3, 2006 4:22 AM
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: running hot....any ideas?
>
>Robert,
>
>It has been pointed out many times, several times in this thread, and
>hundreds more in the past, that the needles can be highly variable and
>inaccurate.
>
>Before you start adding oil coolers or paying for new parts, get a
>infrared thermometer device and point it at a number of parts of the
>engine to determine if it is really hot, or is just giving you a too
>high reading.  Monitor it as it is heating up from cold and while
>running to get an idea of how hot different points are.
>
>For years, I used to worry about this in my old 84 when it would read
>pretty high and the fan would run a lot while in stop and go traffic.
>Once I got the infrared and took some measurements and found out it was
>doing just fine.  The fan would come on and lower the coolant
>temperature just fine.
>
>It doesn't take much fan time with the fan running to lower the
>temperature 20-30 degrees.  Get some real data on the issue.
>
>And as several people have said check the thermostat, even if it is
>new.  And before putting a new one in, check the old one in a pot of
>water on the stove, and if it is bad, check the "new" one before
>installing it to make sure it is good.
>
>Sam
>
>--
>Sam Walters
>Baltimore, MD
>
>89 Syncro GL, Zetec Inside
>85 Westy Weekender
>85 Mercedes Benz 300D Turbodiesel - to become veggie oil powered
>
>All incoming and outgoing email scanned by
>automatically updated copy of Norton AntiVirus.