![I just replaced the Breather Tube and fixed old vacuum lines and now smoke is coming out of the tailpipe. (the car is I just replaced the Breather Tube and fixed old vacuum lines and now smoke is coming out of the tailpipe. (the car is](https://ww2.justanswer.com/uploads/TH/THEAUDIDOCTOR/2014-10-19_154337_pcv_vacuum_routing.gif)
I just replaced the Breather Tube and fixed old vacuum lines and now smoke is coming out of the tailpipe. (the car is
![Volkswagen Passat/Audi A4 with a V630 valve vacuum hose routing diagram hopefully this helps someone One day because google doesn't help : r/Volkswagen Volkswagen Passat/Audi A4 with a V630 valve vacuum hose routing diagram hopefully this helps someone One day because google doesn't help : r/Volkswagen](https://preview.redd.it/volkswagen-passat-audi-a4-with-a-v630-valve-vacuum-hose-v0-gxi7utn3p67a1.jpg?width=640&crop=smart&auto=webp&s=f475fd86585d682606805d517d19f67689b24f7d)
Volkswagen Passat/Audi A4 with a V630 valve vacuum hose routing diagram hopefully this helps someone One day because google doesn't help : r/Volkswagen
![Audi A4 Questions - hello 2003 audi a4 1.8t had all my vacuum lines canceled so i seen a v... - CarGurus Audi A4 Questions - hello 2003 audi a4 1.8t had all my vacuum lines canceled so i seen a v... - CarGurus](https://static.cargurus.com/images/site/2015/05/02/14/33/pic-5510977311002334591-1600x1200.jpeg)
Audi A4 Questions - hello 2003 audi a4 1.8t had all my vacuum lines canceled so i seen a v... - CarGurus
![Audi A4 Questions - 2002 Audi A4 Quattro, 3.0 engine - Breather hose crumbling and broke. ... - CarGurus Audi A4 Questions - 2002 Audi A4 Quattro, 3.0 engine - Breather hose crumbling and broke. ... - CarGurus](https://static.cargurus.com/images/site/2017/12/28/20/20/pic-6869898984461002267-1600x1200.jpeg)
Audi A4 Questions - 2002 Audi A4 Quattro, 3.0 engine - Breather hose crumbling and broke. ... - CarGurus
![Audi A4 Questions - hello 2003 audi a4 1.8t had all my vacuum lines canceled so i seen a v... - CarGurus Audi A4 Questions - hello 2003 audi a4 1.8t had all my vacuum lines canceled so i seen a v... - CarGurus](https://static.cargurus.com/images/site/2015/05/02/14/33/pic-5510977311002334591-200x200.jpeg)