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Old 06-12-2013, 10:33 AM
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Hello all!...strange sound

I just purchased a 2013 Jeep Grand Cherokee Overland and I could not be happier with the truck. It drives like a luxurious livingroom but has the balls to handle a northeast winter....so happy!!!

I just have one thing and I even feel stupid writing it down....my Jeep has recently made a "whooping" sound, coming from the engine area I believe...I noticed it happens when the car is idling in park and the air conditioning is on. I can't describe it but if you ever heard a slide whistle, it sounds like that but deeper....I tried different combinations of radio on/off, wipers on/off, air on/off etc and it seems only when air is on and nothing else....

Has anyone else heard that sound?
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Old 06-24-2014, 09:23 AM
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Re: Grand Cherokee 2013 Air Conditioning Slide Whistle

I have the same problem with my 2013 Jeep Grand Cherokee Limited since it was new. I have just learned to live with it. Were you ever able to get yours fixed? I've read on some other threads that owners in Australia had the same issue and it was not fully solved until the dash was removed and the compressor and condenser were replaced. Some people thought it was the TPX valve or compressor but replacing either of those was no help.
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Old 06-24-2014, 07:26 PM
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Re: Hello all!...strange sound

Not sure if this is the same problem as yours but it's worth looking at: What in the heck kind of noise was this? loud moan after starting car.
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Old 08-05-2014, 09:01 PM
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The thermal expansion valve was defective and causing the slide whistle sound in the AC system when the compressor cuts in. Had to do without the vehicle for 8 days but finally fixed!
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