Diagnosis and Replacement DIY for your 2.0T TSI Turbo Recirculation (DV) Valve

Diagnosis and Replacement DIY for your 2.0T TSI Turbo Recirculation (DV) Valve

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The part that is going to be discussed below is the latest revision for VW/ Audi # 06H145710D

The diverter valve is a part of the turbocharger system that releases boost when the throttle is snapped shut. But this component should remain sealed off when under boost to prevent any leaks in intercooler system. When the diverter valve fails, you can get a couple different issues that will appear on your VW/Audi.When this valve fails, it is usually a mechanical failure. The original style valves installed on the FSI engine and early TSI engines had a rubber diaphragm inside that was prone to tearing with age, oil contamination and elevated boost levels(chipped cars).

 

Pierburg 2.0t Diverter Valve (Rev D) for #06H145710D (Same exact part as the OEM one minus the Logo)

Pierburg 2.0t DV/ Diverter Valve for VW Audi 06H145710D

OEM VW/ Audi 2.0t Diverter Valve 06H145710D

2.0t DV/ Diverter Valve for VW Audi 06H145710D

OBDeleven Scan Tool for VW and Audi Models

OBDeleven Scan Tool for VW and Audi

 

Once this rubber diaphragm tears, you get a boost leak right at the turbocharger that can cause:

- Boost drop under acceleration(indicated on boost gauge)

- Noticeable performance loss

- Excess intake noise/air surging sound under acceleration

- Fault code P0234 – Turbocharger Over boost

- Fault code P0299 – Turbocharger Under boost

 

 

 

This DIY was performed on a 2009 GTI with the 2.0T TSI engine. The diverter valve is located in the same spot on all VW and Audi FSI TSI engines with a factory K03 turbocharger.

 

You can find the most Updated Revisions "D" of this 2.0T FSI or TSI DV here

 

Tools needed to perform this repair:

- 5mm Allen(either long reach or with a short extension) and driver

- Jack/jack stands

 

 

1. First and foremost is safety. When working under the car, make sure it is very sturdy and not going to fall!

 VW and Audi 2.0t Diverter Valve Locations

2. Lift the vehicle with a jack using the appropriate jack-points of your car. These are the points where the pinch-welds are doubled up. There are also arrows stamped into the lower rocker of the car indicating where they are. Once lift to the appropriate height,secure the car with jack stands and check to make sure it’s sturdy.

 


3. Sliding under the passenger side of the car, locate where the DV you will be replacing. It is located straight up from the axle and is bolted to the side of the turbocharger compressor housing. Circled below in the picture.

 

 

4. Next you need to release the electrical connector and get it out of the way. This connector is like 99% of the other connectors on the vehicle and has the single release. Using your thumb, release the clip and slide connector down as shown.


5. Next, you will see 3 bolts holding the diverter valve to the turbocharger. Remove these using the 5mm allen to free it up. The one is hiding on bottom edge.

 

 

6. Once loose, just slide the valve out of the turbocharger and inspect. If you have one of the early diaphragm valves,you will see an orange or teal colored rubber material. Inspect it for damage,such as the tear shown below.

 

 

7. Reassemble in reverse procedure and be sure all bolts and tightened to 7nM and DV is properly seated against turbocharger housing. If diverter valve does not properly seal, you may end up with a boost leak or oil leaking in this area. Once complete, let the car down off the jack stands and check/clear faults before test driving.

 

Congratulations……you have now successfully replaced your VW or Audi 2.0T diverter valve (DV).

 



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