How the PCV system works 2.0 FSI | ECS Lower PCV Hose Install | Audi A4 B7 | VW

The Positive Crankcase Ventilation system is detailed on the FSI platform to explain how blow by is created, circulated through the PCV system in both boost and vacuum settings, then eventually recycled. I also demo how to test the PCV valve check valve. Then, the ECS Tuning silicone lower PCV hose is installed in how to fashion on my 2007 A4 Quattro.

Chapters:
00:00 Project overview
02:12 How the PCV system works
11:33 ECS lower hose install
17:29 Summary

• #autos_vehicles
• #pcv
• #positive_crankcase_ventilation
• #audi