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aircon problem

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Old Sep 26, 2019 | 12:23 PM
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Default aircon problem

I have a 2014 A6 C7 thats blowing cold air from the drivers side but warm air from the passengers. I also hear a hissing sound from inside the dash or maybe from the firewall. I got the aircon regassed and the tech told me there were no leaks found and that the gas was very low. Everything worked fine for about 3 weeks but now it's worse than ever. The garage tested the system and said that it has lost some gas and pressure but they have no idea why. Any ideas?
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Old Sep 26, 2019 | 06:36 PM
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Could be the blend door.
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Old Sep 27, 2019 | 06:57 PM
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When ever you have one side cooler than the other and that hissing noise from the dash the Freon is low in my experience as a service advisor. You have a leak somewhere. If they can't find it you need to get some dye put in the system and then should be able to track it once it starts leaking.
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Old Sep 27, 2019 | 11:10 PM
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Thanks for the reply. It did work great after the initial regas so a leak is likely but their machine is not picking one up
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