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HISSING AC SOUND

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I have a hissing sound that comes in my Jeep GC wk2, when I turn on the air conditioning. It stops when I turn it off.

Since I can’t upload videos here, please use this link to watch and hear it.

28 September 2022

Has anyone ever faced this issue? If so, what was it and how did you fix it?

Thank you
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I had this sound on my 2015 Limited. Eventually, the AC quit cooling. It was due to low refrigerant, in my case caused by a leak in the condenser. I had the condenser replaced and the system recharged, and it was fine again with no hissing. However, that was about 2 years ago, and now it's hissing again. I think I'll need at least another recharge, but it's obviously still leaking somewhere.
 

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Discussion Starter · #5 ·
I had this sound on my 2015 Limited. Eventually, the AC quit cooling. It was due to low refrigerant, in my case caused by a leak in the condenser. I had the condenser replaced and the system recharged, and it was fine again with no hissing. However, that was about 2 years ago, and now it's hissing again. I think I'll need at least another recharge, but it's obviously still leaking somewhere.
Did this by chance cause you smell in the cabin after accelerating?
 

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Is the AC still blowing cold? If so it is more likely to be an issue with the blend doors behind the dash that direct all the various airflows to the correct places. Search this form, there are plenty of threads on this issue.
 
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