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Annoying whistling noise from the registers on heat


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7 replies to this topic

#1 OFFLINE   greencmax

greencmax

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  • C-MAX Hybrid Member
  • 9 posts
  • Region:U.S. Great Lakes
  • LocationMetro Detroit
  • My C-MAX's Year:2013
  • Current Vehicle:CMAX

Posted 13 March 2015 - 01:03 PM

Hi all

I get a very annoying whistling noise from the vents when set on heat >= 72F/ ~ 2-3 fan speed.

It is like tea kettle whistling. I either need to go down to  1 speed fan setting or go all the way to max speed to mask the noise.

Any one else having the same issue, please advise.

Thanks









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#2 OFFLINE   fotomoto

fotomoto

    C-Max Hybrid Member

  • C-MAX Hybrid Member
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  • Region:Decline
  • LocationSouth Texas
  • Current Vehicle:C-Max SEL

Posted 13 March 2015 - 01:32 PM

No issues with my CMax but I've had whistling sounds before in older vehicles due to foreign objects (leaves, paper) getting sucked into the system (no filters back then).  



#3 OFFLINE   wab

wab

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  • 927 posts
  • Region:U.S. Southern Plains
  • Locationnorth texas
  • My C-MAX's Year:2013
  • Current Vehicle:C-Max SEL 303 with Glass Roof

Posted 13 March 2015 - 05:55 PM

Has your cabin filter been changed?



#4 OFFLINE   SnowStorm

SnowStorm

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  • Region:U.S. Southern Atlantic
  • LocationVirginia
  • My C-MAX's Year:2013
  • Current Vehicle:C-Max SE

Posted 13 March 2015 - 06:53 PM

Have heard a whistle a few times but IIRC only at high fan speed.  Don't use that speed much so it hasn't really been a problem.  Tried it just now at max speed in combinations of Recirc ON/OFF and floor/dash vents - no whistle.



#5 OFFLINE   greencmax

greencmax

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  • Region:U.S. Great Lakes
  • LocationMetro Detroit
  • My C-MAX's Year:2013
  • Current Vehicle:CMAX

Posted 16 March 2015 - 06:04 AM

Has your cabin filter been changed?

No, cabin filter not changed. I will check that out & see. Thank you


Edited by greencmax, 16 March 2015 - 06:04 AM.


#6 OFFLINE   greencmax

greencmax

    New Member

  • C-MAX Hybrid Member
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  • Region:U.S. Great Lakes
  • LocationMetro Detroit
  • My C-MAX's Year:2013
  • Current Vehicle:CMAX

Posted 17 April 2015 - 06:54 AM

An update... turns out it was a bad heater core, dealer replaced the core & the noise is gone.Luckly vehicle was covered under the warranty. Thank you



#7 OFFLINE   FordService

FordService

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  • Region:Decline
  • LocationDearborn, Michigan
  • My C-MAX's Year:Decline
  • Current Vehicle:Model T

Posted 17 April 2015 - 04:09 PM

An update... turns out it was a bad heater core, dealer replaced the core & the noise is gone.Luckly vehicle was covered under the warranty. Thank you

Welcome to the community, greencmax!  :yahoo: 

 

My name is Tricia, and I’m the U.S. Ford Customer Service Representative. I’ll be here to assist with any questions or concerns. I’m glad to learn that your dealer took care of you, and thanks for sharing.

 

Have a great weekend!

 

Tricia  



#8 OFFLINE   Noah Harbinger

Noah Harbinger

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  • Region:Decline
  • LocationMetro San Diego
  • Current Vehicle:2013 C-Max Hybrid

Posted 25 April 2015 - 08:24 PM

Definitely not the whistling sound I was thinking of. I leave the rear seat louvre in the console open ever so slightly to prevent it from whistly. 








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