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testing cooling fan and thermoswitch.



My 16v thermo switch is on the lower DS.  Are the 8v's different?

On 12/10/06, julie@menloparkrandd.com <julie@menloparkrandd.com> wrote:
> No The fan starts when the engine needs to cool. That is set by the thermo switch on the lower PS side of the radiator.
> The buzzing might be the fuel dist, a spring loaded pressure relief is built in so that when the pressure gets to a certian point, it feeds it back to the tank. Under load the buzzing will stop as it feeds all the fuel to the engine. Best way to test this is to start the car, accellerate at a high rate, climb out on the hood and listen.
> Well maybe not. Trust me then :)
>
> >-----Original Message-----
> >From: ignacio forrester [mailto:iforrester1@yahoo.com]
> >Sent: Sunday, December 10, 2006 04:32 PM
> >To: Scirocco-l@scirocco.org
> >Subject: testing cooling fan and thermoswitch.
> >
> >my radiator never seems to turn so i jumped the
> >terminals per the bentley.
> >
> >when hooked to the middle terminal it spins, when
> >hooked to the 1st terminal...nothing. i did notice
> >some corrosion going on with the 1st wire.
> >
> >moving on...checked for voltage on red wire terminal
> >and i got a straight reading of 12V.
> >
> >the fan is supposed to start when i start the car
> >right? is it a bad thermoswitch?
> >
> >
> >the other things is when i have the car running at
> >idle i keep hearing this noise near the fuel
> >distributor that sounds kind of like the whirring the
> >fuel pump makes. is this normal?
> >
> >
> >
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-- 
Mike
'86 red 16v: Red 5 (aka der Jahrtausendfeierfalke)
'05 Indigo Blue GTI 1.8T: Bib
"The world is my oyster soup kitchen floor wax museum." - King Crimson