Recently there was a thread on the topic of after-run pump. There it was reported that this is no longer to be heard, which would mean that this is usually too high. Since I have never heard of after-run gears until now I went today after the parking on noise search, neither with ear directly to the bonnet nor before the Kuehler grille was something to hear therefore would interest me now how clearly one should hear this pump. I have never heard anything and the car was only 1 month ago at the customer service but whether Audi has noticed that is probably not sure, there is an entry in the error memory when the after-run pump does not work? If I am already at the topic of after-run gears, sometimes I have a Geraeusch (but only 1-2sec) which is like a very loud rear-run motor. It is only relatively rare and immediately after the engine is shut down and is much louder than anything else that the car so gives itself, but it can only be normally overrun in the engine.