Audi Crankcase Ventilation and Secondary Air Injection - Automotive Tech Info
Amazon.com: NOVAPARTS Oil Separator PCV Valve Cover Crankcase Vent Valve w/Gasket for 2012-2018 Audi Quattro A4 A5 A6 Q5 Allroad 2.0T 06H103495AE 06H103495J 06H103495AK : Automotive
Ever seen a PCV valve leaking coolant into the crankcase? Let me introduce you to the fourth circle of hell, 3.0TFSI edition. : r/Justrolledintotheshop