Why is my turbo making a whistling noise?
What causes turbo whistle? Turbo whistle is the sound of the compressor inside the turbocharger speeding up (also known as ‘spooling up’, which is why it kicks in at the boost threshold (when the turbo starts to kick in) as you accelerate up the rev range.
Are turbos supposed to whine?
One of the unexpected advantages of a turbocharger is that it actually makes the engine quieter because it muffles the sound of air intake. However, if you start to hear a loud, whining noise – a bit like a dentist’s drill or police siren – it’s a potential symptom of turbo failure.
What sound does a turbo make when it’s going out?
Loud noises: If your vehicle has a bad turbo, you may hear loud noises that sound like whining or screeching. So if your vehicle is running and you hear a loud whining sound that increases in volume as the problem goes unfixed, this is most likely to do a turbo problem.
Why is my diesel whistling?
The turbocharger spinning at a high rate of speed will pulse the air at a high frequncy and make a whistle (from the turbine blades cutting the air) and an exhaust leak. 6.0L’s suffer from exhaust leaks at the y-pipes (among other places) frequently. If it is turbo noise, no problem.
Why do some diesels whistle?
In the diesel, pressure from the exhaust spins the turbocharger at a very high speed. A diesel engine that has a turbocharger is called a turbodiesel. The whistling sound sometimes heard near one of these engines is caused by the turbocharger, or “turbo” for short.
How long will a whining turbo last?
around 150,000 miles
You can expect your turbo to last up to around 150,000 miles – or even more if it’s seldom used. Turbos force additional air into your car’s cylinders.
What happens when a turbo fails on a diesel?
Be aware that when your turbo fails the pieces will drop down into the intercooler and the oil seals will fail. Unfortunately the engine can actually run on this oil and can run away at maximum RPM until all the oil is used up, at which point the engine will seize.
