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a/c compressor random clutch engaging

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Old Oct 10, 2012 | 12:21 AM
  #1  
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a/c compressor random clutch engaging

soo a friends 03 f-150 w/ the 4.6 has noticed the a/c compressor clutch engaging while heater is on. clutch engages for about 3 seconds or soo and kicks back out consistently but only w/ the heater on.
a/c dose function property when using a/c functions...

is this normal or dose somthing need serviced???
 
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Old Oct 10, 2012 | 06:47 AM
  #2  
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From: Southern New England
It is normal for the compressor to cycle when the defroster is on. This allows the vehicle to be dehumidified, to remove moisture from the interior. I suspect your friend is using the defroster, not just the heat.
 
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Old Oct 10, 2012 | 07:29 AM
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Go the the HVAC FAQs. Link is in signature.
 
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Old Oct 27, 2012 | 06:40 PM
  #4  
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410F-100
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Thanks!!!
wow, the thought and planning that went into somthing nobody ever notices!!!
Im shure it was designed to keep people buyin a/c componets!!!

ps, these trucks are my favorite modern ford, plan to join yall eventually!!!
 
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