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Old Oct 26, 2008 | 07:00 PM
  #1  
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ladyk1965
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Cool Heater Ticks

Hi, help, help, help,
I purchase a 2004 Ford Explorer used, I've had it for almost 2 years without problems. My air works fine, but when I turn towards the red/heat for warm air on even to defrost or anything, it immediately starts to make this ticking sound, and no heat whatsoever is coming out, when I turn it back to the blue/cooler side, it (the ticking) stops. Just wondering if this is gonna be very costly or am I looking at something minor and affordable because I am oh so not prepared. Thanks anyone.
 
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Old Nov 28, 2008 | 11:45 AM
  #2  
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Sounds like a blend door issue. There are many posts on this, used to be a sticky at the beginning of the forum. The ticking is most likely the motor that moves the blend door. Mine ticks when I turn it all the way to hot, just a smidge to the cool side and it stops ticking.
 
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Old Nov 28, 2008 | 04:38 PM
  #3  
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Maybe the door keeps trying to move and it can't so you hear it struggling. Do the radiator and heater hoses get hot?
 
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Old Nov 28, 2008 | 08:36 PM
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I agree with the blend door motor. I had the same symptoms on the rear unit on mine. What you hear is the plastic gears jumping teeth when they are trying to move.
 
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