Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - Coolant and Oil Temps drop when using the windshield defroster/floor vents
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Old 01-17-2013, 01:12 PM   #1
RevLimit
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Unhappy Coolant and Oil Temps drop when using the windshield defroster/floor vents

I noticed recently that if I run the windshield defroster/floor vent, at medium or hot temperatures that the coolant and oil temp gauges will move from their standard 2/4 position to 1/4 position.

This only happens when the defroster is selected. If I turn on the heat full blast the temperature never drops.

What could be happening?


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