Re: choice of "thermo-fan" switch temperature

Perfect sense.  In short, the fan cut-in temp. should be somewhat higher 
than the coolant thermostat.

nate

dave AKA vwdoc1 wrote:
> I agree with nobody@[EMAIL PROTECTED]
 and that these engines run better and
more 
> efficiently warm (normal operating temp).
> 
> I have been told to match the thermostat with the proper temp fan
switch.
> AFAIK  You want the thermostat and fans to work together not against
each 
> other.  Normally the thermostat opens up and then when the radiator gets
hot 
> enough the fans come on.
> If the fan comes on too early, due to a lower temp fan switch, then the 
> coolant going back into the engine will be too cool and the thermostat 
> closes due to the engine becoming too cold.  I see jumps of coolant 
> temperature readings.
> You want a relatively stable temp.  ;-)
> 
> So if you were going to boil water or add water to the boiling water,
would 
> you grab the water from the refrigerator or some stored at room
temperature?
> You would burn a little more energy with the colder H20 from the fridge.
> Easier on the system if the temps are close to one another!  ;-)
> 
> At least that is how I see it!  ;-)
> Does this make sense?


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