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I’m still fighting with this a$$hole noise 😞 I bought and fit repair set for turbo actuator rod because one of the metal clips were missing, checked turbo heat shields, ac pipes, any loose hoses etc in engine bay… but hum/resonance is still there!
I did further tests during last long trip (4000km) and noticed new thing. When turbo is slightly building boost, the noise is barely noticeable, but when car is accelerating aggressively or from low rpm with full boost, the noise can be heard really well.
I think I have checked almost everything beside fuel filter mount and fuel lines/pipes. Still no error codes on the dash or in the code reader.
Do you have any ideas how to trace the cause of humming?
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