Why does my car make noise when I Turn Off the Turbo?
Why does my car make noise when I Turn Off the Turbo? Dust, stones, leaves and other small objects can enter into the turbo via the compressor or turbine inlets. This will cause damage to the blades inside the turbo and eventually wear down the turbo until it breaks. Not Letting the Turbo Cool Down. After a long drive or aggressive driving, you should never switch the engine straight off. Where is the dump valve on a turbocharger? If you are wondering what the police siren noise from a turbocharger sounds likes, view the below video. A blow off valve...