What does it mean when your turbo whistles?
A “turbo whistle” usually indicates a worn and failing turbo bearing, which is pretty much all there is to go wrong with a turbo.
What does a bad turbo sound like on a diesel?
Whining Noise Another prominent, abnormal turbo noise is the whining of a blown turbo. It sounds very similar to an engine belt being spun too fast, a siren, or even a supercharger. This is the most direct and telling sign that your turbo has had it.
What’s the whining noise in my Volvo S60?
I’ve been driving the Volvo S60 2.0T LPT (light-pressure turbo) for 2.5 years now. Recently for the past few days, I notice that whenever I start driving and depressing the accelerator pedal, a strange high-pitched whining sound (sometimes sounds like a siren) appears. This is different from the usual rumbling low-pitched engine sound.
Why does my Volvo XC90 make a humming noise?
If, on the other hand, you do not feel any power loss due to an humming noise on your Volvo XC90, it is more than likely that you have one of your junctions or air hoses that has holes. So check the entire air supply system from your air filter to your engine to determine the origin of this acceleration sound.
Why does my Volvo XC90 whistle when I accelerate?
Rattling or whistling noise caused by the turbo If you have a power loss that accompanies the rattling noise when you accelerate with your Volvo XC90, it is conceivable that your turbo is declining and some of its elements are at the end of their life.
Why does my Volvo make a high pitched sound when I press the accelerator pedal?
If the car is stationary and the gear is put to “P” and not “D”, the high-pitched sound does not appear when I depress the accelerator pedal. The service consultanat at the Volvo dealer said that this high-pitched sound is due to the turbo or turbine engine – wear and tear is the given reason.