Citeron C4 Picasso I 1.6 THP Turbo Diverter Valve

What does a turbo diverter valve do?

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.

Where is the diverter valve on a turbo?

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.

Does a Citroen C4 have a turbo?

The Citroën C4’s single petrol option is a 1.2-litre turbo, but it’s available in three outputs: 99bhp, 128bhp and 153bhp. The base 99bhp version is a capable performer, despite what the 11.3sec 0-62mph time would suggest, because it has plenty of mid-range grunt.

Is a diverter valve bad for turbo?

They commonly used diaphragm diverter valves which tended to tear and leak, this makes it so the turbo cant hold boost well or at all. They also couldn’t handle increased pressure well over stock like when you flashed the car with performance software.

What happens if you unplug your 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.

Where is the diverter valve sensor?

They are typically located directly before the throttle body, and their purpose is to relieve boost pressure, after a throttle lift condition.

Do I need a diverter valve?

Shower diverter valves can be a fairly confusing part of the shower build process. Without one, you aren’t going to have any ability to redirect the flow of water. Even if you have a simple setup with just a tub faucet and a showerhead, you’ll need a diverter valve to switch between them.

Can a bad diverter valve cause low boost?

The diverter valve diverts pressure when there’s too much air pressure in the intake. A stuck or broken diverter valve will also cause low turbo boost.

Do you lose power with a diverter valve spacer?

When you start putting in spring controlled DVs and spacers, what happens is the ECU can not accurately pulse/read the DV to create boost + load targets. This will inevitably cause power LOSS.

Are Diverter valves bad?

Among the most noticeable signs that the air diverter valve is damaged is your car running sluggishly. The air/fuel mixture of your car is very important in keeping it running smoothly. Having a bad air diverter valve will throw this mixture off and cause the car to run and idle rough.

How do you test a 1.8 T 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.

How do I know if my shower diverter valve is bad?

First, if the valve is engaged but water continues to come out of the tub spout only, the gate is severely damaged or has fallen out completely. Second, if the valve is engaged but the showerhead experiences low water pressure and water continues to drip from the spout, the gasket has failed or is starting to fail.

Why is my tub diverter not working?

The most common issue with a shower diverter is when water comes out of both the tub faucet and the showerhead. Check to be sure there is no residue clogging the shower diverter lever from fully lifting or lowering. If everything looks clear, the problem could be worn-out parts in the shower diverter valve.

How do you fix a diverter valve?

How to Repair a Shower Diverter

  1. Turn off the water supply to your shower.
  2. Seal off your drain with tape so that small screws or other important parts are not lost down the drainpipe.
  3. Tighten the screws behind the faceplate of the diverter valve. …
  4. Disassemble the shower diverter. …
  5. Replace the diverter.

How do you replace a tub diverter valve?
You don't want to take a razor blade. And you want to want to scrape that and break that seal off of the edge of the spout. Then what you're gonna want to do is come and look underneath the spout.