ford focus 1.8 zetec with climate pack, have noticed that the engine cooling
fans turn on sometimes when starting the car other times they come on after
a couple of miles when car is nearing operating temperature. have just had
car checked out by ford who say this is due to having heater set to front
screen causing aircon to come on. i`m totally confused as to how the engine
fans cause the screen to be demisted.
Can anybody shed some light on this?
When the blower switch is set to the windscreen only position the Air
Conditioning kicks in "The A/C extracts humidity from the air and the
windows are demisted faster."
Your car will have two cooling fans - one associated with the engine
temperature and the other associated with the A/C. If the A/C is
automatically switched on I'm not surprised that one of the fans would
"Front screen defrosting/demisting
Set the air distribution control to (icon = the windscreen position).
Outside air will flow into the vehicle.. As long as the air distribution
control is set to (icon = the windscreen position) re-circulated air
cannot be selected and the air conditioning will be turned on
automatically. Make sure that the blower is on."
The quotes are from page 37 of the UK owners manual circa 2001
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