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Hi
My Aircon has just died on me. The blower is working good but no cold air. The gas pressure is also good. Plugged in the diagnostics but it says no fault found. I have been to Audi today but the problem is still the same. They can not find any thing as well. All I can see under the bonnet is that even the cooling fan that comes on with the aircon does not come on. Any help please.
Take it back to Audi and tell them to find the fault! Or find a decent air-con specialist in your area.
Could be many things - knackered compressor, pressure switch, gas level too low or too high, air-con control panel could be faulty etc etc.
Issac thanks for the advice. Yes that’s what I did. In fact I took it to 3 places. They have check the most common faults many of what you said. But because it says “no fault found” on the diagnostic they say that they cannot do much. One thing they say is that they can start taking the system apart and start changing things…..”Trial and error” but the price quoted is in the region of £1500.00. I’m thinking that it is too steep…….
Thats pretty poor service form an official Audi dealer, I'd be writing to Audi customer services explaining that the way they operate and their method of diagnosis is crap - Trial and error at your expense is utterly ridiculous!
If you are certain the system is holding gas pressure then it could well be a faulty compressor - pretty common on the A4.