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Subject:Re: Running hot, what can be the matter
From:Andrew Fox
Date:Thu, 4 Apr 2002 19:54:18 -0700

>
> high heat problem.  Is there a reliable engine heat measurement?  Do I swap
> out temp sensor?

Yes, the way shops measure the temperature is with an infrared
thermometer.  You point it at anything and it gives you its temperature.
I heard you may be able to buy one at radio shack for $50.  Otherwise go
to a shop where they dont rip people off(very hard to find) and WATCH THEM
use this tool to see how hot you're really running.  Don't swap the temp
senosr without actally knowing how hot you're running.  My experience is
that the gauge is crap and its probably at fault.

Given that most of your cooling system is new you should not be running
hot.  Read Ben Huot's post earlier today about the cooling system and
the  new VW temp sensor, very interesting.  Here are resistance values for
the temp gauge sensor to see if your gauge is operating incorrectly.
Don't know if these have changed since VW came out with the new sensor:

32F     5,000-6,000 Ohms
68F     2,000-3,000 Ohms
104F    1,000-1,500 Ohms
140F    500-675 Ohms
176F    275-375 Ohms
212F    150-250 Ohms

Source: Alldata Corp.  for 86 2.1L 2WD

I dont know where you are in the mid-atlantic region but I know of a
reputable shop in N. N.J. (Hackettstown Imports) and of course there's
vanagain in southern N.J.

let us know how it goes and don't hesitate more questions.

Andrew Fox
86' Westy
Ft. Collins CO

 > > Known Stuff: >
Radiator Fan Works > Fan Switch Swapped out last week.
> Cooling system pressure Tested
> CO2 in Coolant test negative
> New Radiator and long pipes.
> New Motor
> New Thermostat
>
> I am so frustrated by this that I want to scream.  $6800 of engine work in
> the last year, and now I'm considering parting the van out.
>
> Nobody in the mid-atlantic region seems to have any idea what to do with
> these problems.
> HHHHHHHHEEEEEEEELLLLLLLLLPPPPPPPPPPP
> Peter
>