This is a labor-intensive operation; plan on leaving the car for up to two days. Thanks to Audipages post, I removed and cleaned out the AC drain hose. Air Con problem confirmed by Audi. It sounds like it should e covered as a service bulletin or recall. Air Con Problems - posted in A3 (8P) 2003 to present: Hello, Have a problem with the air con on my 2004 A3 1.9tdi. Read More What are common reasons my Audi A3 has air conditioning problems? I have problems with my 2009 Jetta air conditioner. I have an '07 A3 with 43K mi (below the 50K mark), but it developed this air conditioning problem 1-2 months AFTER the 4 yr period of warranty expiration! Corrective action: Dealers will replace either the air-conditioning compressor or the regulating valve, flush the system of contaminants, recharge the system and test for leaks. Joined May 3, 2009 Location Plano, TX TDI 2008 Touareg V10, 2001 Audi TTQ Roadster TDI 6-speed, 2005 Jetta Wagon TDI 6-speed It will not cool until the road speed is high enough to push air through the condenser coil in the front. For Audi A3 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 model year. While there are a variety of reasons your Audi A3 air conditioning won't work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. 2015 Audi A3 Cabriolet See More Service Bulletins Corrective action: Dealers will replace either the air-conditioning compressor or the regulating valve, flush the … Audi A3 - Roly93 This is a common problem with aircon equiped cars. My air conditioning is not working on my 2004 A4 Quattro. Hello I have a problem with the AC on an A3 2006, lines and componenets have been flushed, compressor replaced and holds vacuum, but the compressor never engages. The clutch wont engage on the compressor although the system is gassed and the 12v is seen on the connector to the compressor when you operate the air con switch on the dash. ... Audi A4 air conditioner problems. It will not cool if heat soaked in a parking lot or sitting in the drive way. Now I'm faced with a $1,000 to $2,500 bill to fix this problem. Checking the owner s manual confirms that there is a fault with the AC system. I ve recently purchased a 2004 A3 (8P), and have a fault with the AC. I found this on the Honest John web site showing there is a known problem with the function of the Air Con but they say there is nothing they can do about it. " I think the explanation is that moisture that the aircon has removed from the air condenses in some of the ducting etc, and causes the car to steam up again. The air is not cold but warm. After cleaning it, drove with AC on for about 1/2 an hour, came back, check under the carpet, the condensation existed on top of the AC distributor duct, so it may not just the leaks from the AC drain hose. The air is warm not cold. * Second-generation Audi A3 problems * Reliability issues and recalls explained * Read this before you buy 2015 Audi A3 2015 Audi A3 Cabriolet. Show More. Sat Feb 14, 2015 11:57 am. Hit econ and it switches the 12v off, so from this i am thinking that all is well with the gas and pressure. The Econ light is on for most of the time, even with the system in auto mode. The vag-com shows no errors, but the radiator fan does not speed up like I think it should. I couldn’t believe there were so much stuff stuck in that little hose.