How to: Replace N18 valve, Audi A6 2003 1.9 TDi

How to replace the EGR vacuum regulatur solenoid valve (N18) on a 2003 Audi A6 C5, 1.9 TDi engine (AVF).
The first steps is to remove the air filter housing. Here's another video on how to do that: • How to: replace airfil...

[@Mr.MNERIDER]

If my EGR is deleted, can i turn off this valve? This is only for EGR?

[@TordAndreassen]

I presume you've done an EGR delete - reprogramming the ECU software? And you want to remove the 'hardware' completely? The valve, cooler, all connections and hoses? Why would you want to do that? 🤔

[@Mr.MNERIDER]

@@TordAndreassen When i buying a car my EGR is off and i think because n18 is for EGR only, can i deleted them? For my passat 1998 AFN i think i dont need to reprogramming ECU ?

[@mousbas6888]

Hello Why did you replaced it ?

[@TordAndreassen]

Take a look here: wiki.ross-tech.com/wiki/index.php/16787/P0403/001027