What does a diverter valve do Audi?

What does a diverter valve do Audi?

What does a diverter valve do Audi?

As many of you know the purpose of the diverter valve is to vent excess boost when the throttle is closed (you lift off the accelerator or change gear). Without venting this excess pressure, the turbo experiences surge which is actually damaging to the turbo. You can hear this as a fluttering sound.

How do you check an Audi diverter valve?

How Do I Check It?

  1. Remove the diverter valve.
  2. Insert the screwdriver handle or pen into the bottom of the DV to open it.
  3. Cover the top of the diverter valve with your finger.
  4. Remove the screwdriver or pen, then remove your finger.
  5. If you hear a pop if your DV is probably ok.

What does a performance diverter valve do?

The diverter valve is usually located on the side of the turbocharger, it is a pressure release system which diverts unused pressure back into the system preventing compressor surge. By rerouting the pressure back to the compressor inlet, diverter valve keeps the compressor wheel moving and decreases turbo lag.

What happens if you unplug the diverter valve sensor?

Unplugging the connector will stop it working and cause the compressor stall. The ECU will also see it and store a fault, with the likelihood of impaired performance.

What happens if you unplug your diverter valve sensor?

Does diverter valve make noise?

The bottom line is if you vent to atmosphere with a MAF sensor you MAY use fractionally more fuel (depending on the kind of driving you do) and there is a chance you may hear some popping in the exhaust. For people who just want the maximum noise from the valve this is usually not a worry.

How do you diagnose a bad diverter valve?

What are the symptoms of a faulty diverter valve?

  1. Hot water taps that only reach luke warm. If your sink, bath or shower is not running hot, it could indicate that there is a problem with the diverter valve.
  2. The water only gets hot if the heating is on.
  3. The water is hot, but the heating fails to come on.