A6 Quattro Sedan V8-4.2L (BVJ) (2007)
/Page-2964001.png)
Air Injection Control Valve: Service and Repair
Left Secondary Air Injection Combination Valve
Left Secondary Air Injection Combination Valve
Removing
‹› During installation, all cable ties must be re-installed at the same location.
-
Pull rear engine cover - arrows - off.
-
Drain coolant => [ Cooling System, Draining and Filling ] See: Engine, Cooling and Exhaust/Cooling System/Service and Repair/Procedures.
-
Remove left coolant pipe => [ Left Coolant Pipe ] See: Engine, Cooling and Exhaust/Cooling System/Coolant Line/Hose/Service and Repair/Left
Coolant Pipe.
-
Remove Heated Oxygen Sensor (HO2S) 2 (G108) (in front of catalytic converter) => Fuel Injection and Ignition 24 Removal and Installation.
-
Disconnect air guide hose - 3 - from Secondary Air Injection (AIR) combi-valve.