Turbo (T5) sound or not?
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If the turbo is "broken" as in seized or shaft snapped (saw a A4s audi like that once) - the car will be VERY sluggish - like having a blockage in the exhaust system. At that point they usually dump oil into the exhaust also. And if bushings are worn the fan can eventually touch the housing - and be very noisy.
Quiet is good - means the clearances are perfect and the bushings are not worn. A turbo is simply 2 fan blades connected together with very little clearance between the housings and the blades to compress the air.. Try to time 0-60 if you think your car is sluggish.
![](https://cimg0.ibsrv.net/gimg/volvoforums.com-vbulletin/1024x796/turbo_b3adb0890938160899500d774fe55aae9fd9ceb8.jpg)
Last edited by hoonk; 12-18-2021 at 02:38 PM.
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