Test procedure for the DV is here http://www.vaglinks.com/Docs/Misc/VA...rter_Valve.pdf
Greg
2002 New Beetle Turbo
There is nothing wrong with the stock diverter valve and also the updated tt valve.
The only reason i swapped it out was because the diaphragm was vibrating at certain points in the rpm band and sounded horrible.
I bought the eBay diverter for less than half the price of apr and forge and it had been excellent.
Creation Motorsport sell them and others...
VW Audi Seat Skoda 1 8T 20V Recirculating Dump Diverter Valve Aluminium Black | eBay
I have a DV+t9301 from gfb. really good quality, works great for me and i like to support australian companys
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