"TeGGeR®" > wrote in message
...
> "R. P." > wrote in news:Q4-dnY6g25vj0XzfRVn-
> :
>
> > "TeGGeR®" > wrote:
>
> >> Modern rad caps don't even hold pressure at all /until/ the fluid
> >> begins to
> >> boil, at which point pressure builds rapidly and the cap seals,
> >> quelling
> >> the boiling.
> >
> > Hm, that's interesting and prompts me to ask a relevant question, too.
> > From what you are saying, it should be very rare that the radiotor fan
> > should kick in after stopping the engine because according to the specs
> > that fan should only come up if its sensor detects the coolant to be at
> > 223 F,
>
>
>
> The cooling fan will come on when the coolant temperature is between 191
> and 197F. The thermostat is supposed to open at 194. Once it opens, the
> temperature in the block falls rapidly.

Would a defective thermostat cause the cooling fan to *not* come on? I've
bypassed the thermoswitch to have the colling fan always on when the
engine's running (due to some overheating problems), but recently changed
out the thermostat so am curious if that could have been the problem all
along.