mercredi 7 mai 2014

2012 A6 3.0T loud rattle and hiss

Hi everyone! I'm posting this for my mum. She doesn't exactly notice odd sounds and behaviors in cars and I caught this as soon as she started it in the garage. After driving it a bit myself, I have noticed that basically whenever the RPMs are between 1000 and 1600, or anything above idle, there is a loud rattle and almost like an electric hiss coming from the engine area. It is most evident after the engine has been revved and the RPMs are falling to idle, but when it's in idle, nothing.




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