Date: Wed, 28 Nov 2007 21:32:24 -0800
Reply-To: Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
Subject: Re: Changed thermostat - temp gauge still reads stone cold
In-Reply-To: <474e488b.0801360a.5c53.22a5@mx.google.com>
Content-Type: text/plain; charset="us-ascii"
I'll ditto that on the longevity and reliability of temp sensors on vanagons
for ecu and temp gauge. I can count the faulty ones I've found, in years of
vanagon repair, on one hand. I seldom test them, and they are usually in
the ball park if I do.
In order to better understand, and thus be better able to FIX your
vanagons, I encourage people to test, troubleshoot, and diagnose, not just
run out and buy parts first thing.
Re the fan not running, rad fan I assume .....
Wbxr's run quite cool anyway, even with new t-stats - like they can take
20 minutes driving to get up to temp, so idling and waiting around for the
rad fan to come on, on a winter day , sometimes they almost won't. I
always jumper the wires at the sensor to make sure the circuit works, which
they usually do, and I've seen a couple aftermarket weird sensors- one with
two contacts instead of 3, but mostly those work too, most of the time.
Scott
www.turobvans.com
-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
syncro.carboncow
Sent: Wednesday, November 28, 2007 9:05 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Changed thermostat - temp gauge still reads stone cold
I would disagree. Good for a couple of
years? They often go 15+ in our vanagons
before failure!
Again I've talked to the sources and
although the failure of a new sensor is
not impossible it is uncommon.
Low temps = high resistance. He most
likely has a ground, wire or gauge issue
before a bad new sensor.
We still need to know why is fan is not
running!
Shawn
Ohio
> -----Original Message-----
> From: Vanagon Mailing List
> [mailto:vanagon@gerry.vanagon.com] On
> Behalf Of Allan Streib
> Sent: Wednesday, November 28, 2007
> 11:54 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Changed thermostat - temp
> gauge still reads stone cold
>
> If the gauge is working, I think this
> sounds like the sensor. Had
> the very same thing happen to me in an
> A2 Jetta, which I would assume
> shares a lot of the same
> instrumentation. In my experience
> those
> sensors (both for the gauge and the
> ECU) are only good for a few
> years. Luckily they're pretty
> inexpensive; I recommend keeping
> spares on hand.
>
> Allan
>
> On Nov 28, 2007, at 11:43 PM, Scott
> Daniel - Shazam wrote:
>
> > First you need to find out if it's
> really running that cold, or if
> > the gauge
> > is just reading low or not working.
> > You did say the heater works well -
> so maybe it is running warmly
> > enough.
> > Easiest way to find out temps very
> quickly and completely non-
> > intrusively is
> > with an infrared temp gun - so many
> uses you gotta have one.
> > Check the main hoses coming off the
> engine, you'd like to see 180
> > - 190 or
> > so warmed up .
> > If I am wondering if the temp gage
> is working, I just jumper the
> > two wires
> > together - undo them from the
> *gauge* sensor, not the ECU one,
> > jumper them
> > together, turn on the key, and see
> if the temp gauge pegs. If it
> > does,
> > it's workin.'
> > Scott
> > turbovans
> >
> >
> > -----Original Message-----
> > From: Vanagon Mailing List
> [mailto:vanagon@gerry.vanagon.com] On
> > Behalf Of
> > David M
> > Sent: Wednesday, November 28, 2007
> 8:15 PM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Changed thermostat - temp
> gauge still reads stone cold
> >
> > I went on the first extended test
> drive today after
> > replacing my thermostat. The
> temperature gauge still
> > does not move above the lowest thick
> bar. If anything,
> > it's worse than it was before. Is it
> possible the
> > replacement thermostat was bad (it
> was a brand new
> > Behr)? Or, is it possible there is
> some other problem?
> > The van drives well and puts out
> lots of heat from the
> > vents. The fan is not running. I
> hate to think I'm
> > damaging the engine.
> >
> > David ('87 Wolfsburg 2.1 auto)
> >
> >
> >
> >
> ______________________________________
> ________________________________
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> > ________
> > Never miss a thing. Make Yahoo your
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> >
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