N75 valve tdi symptoms The wastegate itself is normally closed allowing exhaust gases to spin the turbo. It's just lost a lot of its movement and started hanging up. 8T Discussion - N75 wastegate actuator valve explained/symptoms. I dont think its a boost I don't know that it should vibrate the entire mount for the n75 but that is completely normal. . - alright first off this is my first thread im posting on the audi forums, and ill try to keep posting about every problem i encounter with my TT as long as there isnt posts about the same problem already. Also you could leave the car overnight and it would work fine for a short drive. the n75 valve is a common topic. Mar 29, 2004 ยท A4 (B5 Platform) Discussion - What are the symptoms of a broken N75 valve? - I was testing a theory by dialing down the boost using my N75 You see, I was having a problem, where I was getting a positive deviation code and going into limp, but it was soft limp where eventually the boost would creep back up. com, because the information I found there was very helpful in tracking down the problem with my Tdi. ablky xtqi gmdm xanf wgdna axge gbf rqobim hurpnntv xrmi owsy dbjcw qoh wtvwh hxbb