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Cooling Fans

1K views 3 replies 3 participants last post by  chartmaker 
#1 ·
I have a 2004 Ford Taurus SE and I believe my cooling fans are not turning ON. When the car was driven and was up to temp I pulled over with the key ON and notice the cooling fans were not ON. Should they be engaged all the time or only certain times? I have not notice any over heating issue but wondering how I can tell if they are working?
 
#2 ·
Easy: start the car and turn the A/C on 'max'. Now go out in front and raise the hood. Both fans should be running on low speed. If the A/C is working and the fans are not on, you will have an "over pressure" which will dis-engage the clutch or the safety valve will pop off.

Of course, fan operations is VISUAL, no fingers needed. :lol2:

-chart-
 
#3 ·
I have had one bad cooling fan resistor that prevented low speed operation.
 
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