A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

ac odd issue

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Old Jun 7, 2010 | 07:00 PM
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Default ac odd issue

My ac only blows air out of the middle bents... the two side bents blow a mixture of cool and warm air. I had the condenser fan replaced and the system filled with freon recently. As soon as the service was done it was blowing cold air out of everywhere but after a couple of days it stopped blowing cold out of the side bents. another thing is that when i shut off the ac it makes a hizzing noise for about 10 secs (kind of like a balloon thats losing air) i was wondering if maybe there is too much freon in the system or maybe not enough. How much freon should be on the system?????
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