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redcanyon

A/C COMPRESSOR NOISE

Question

I have a 2017 Canyon V6 All-Terrain.  The A/C compressor is noisy.  It gets louder if the truck is driven 15 minutes (about) or more.  The truck has 3000 miles.  The A/C compressor is louder than the motor at idle.  I can turn off the AC button and everything is smooth and quiet.  I normally run with the fan on auto and then temp on 74 (not auto) with the A/C button off and everything sounds fine.  This is not going to work in the summer.  Is this just a noisy (poorly designed) compressor??

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On 2/26/2018 at 11:12 AM, redcanyon said:

Not the fan.  I turn off the A/C button and all is quiet.  Also, the noise rises with rpm.

 

I have the same exact problem description that redcanyon has. It is not the fan.

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Go to dealer

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Yea, something isn't right. I've never noticed anything louder when the AC is running. Sounds like your compressor is about to fail.

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RedCanyon, are you sure it's not just the fan?  I have noticed the same issue in my Canyon.  If I'm driving under 10 miles an hour, just coasting and the fan is on the lowest setting, I hear the whine of the fan running.  If I hit the 'fan off' button it's perfectly quiet.  Is that the same issue you're having?

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Not the fan.  I turn off the A/C button and all is quiet.  Also, the noise rises with rpm.

 

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I have the same issue with 2018 Canyon.  I believe it is related to the F 1234yf refrigerant.  I have read about problem reported on the higher density of R-1234yf resulted in a pulsation that produced a noticeable vibration/noise on the Cadillac ATS with the 2.0-liter turbo, because the A/C compressor mount was located very close to an engine mount. And although engine mounts are designed to absorb vibration, the combination of extra vibration in a specific frequency, very close to the front mount, was a problem the mount did not muffle. Either that mount will be redesigned or the compressor might be moved when the vehicle is changed over to R-1234yf. See here referring to A/C groan.

 

 

https://macsworldwide.wordpress.com/2016/08/25/ac-groan/

 

Edited by tedlaw

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Yeah, it posted clearly on top of the radiator on my 2018 Canyon as F 1234yf.

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