Component Overview Audi A4 B7

Note. The following list refers to (Схема №29).

1. Secondary Air Injection (AIR) Pump Motor -V101- Component location. See «COMPONENT LOCATION OF SECONDARY AIR INJECTION (AIR) PUMP MOTOR -V101»(ref-213311-S10109212062006040300000). Checking. See «CHECK VOLTAGE SUPPLY OF THE SECONDARY AIR INJECTION (AIR) PUMP MOTOR»(ref-213311-S00802580322005122900000).
2. Air filter housing
3. Combination valve for Secondary Air Injection (AIR) system Component location. See «COMBINATION VALVE FOR SECONDARY AIR INJECTION (AIR) SYSTEM»(ref-213311-S18259174312006040300000). Checking. See «COMBINATION VALVE FOR SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING FUNCTION AND FOR PROPER SEAL»(ref-213311-S27009014962005122900000).
4. Check-valve Installation position (light/dark side): Arrow points in direction of flow (Схема №29)
5. Secondary Air Injection (AIR) Pump Relay -J299- Component location. See «COMPONENT LOCATION OF SECONDARY AIR INJECTION (AIR) PUMP RELAY -J299»(ref-213311-S11093348572006040300000). Checking. See «SECONDARY AIR INJECTION (AIR) PUMP RELAY -J299- AND ACTIVATION, CHECKING»(ref-213311-S33854299092005122900000).
6. Motronic Engine Control Module (ECM) -J220
7. Vacuum reservoir Component location: Under wheel housing liner in front left wheel housing
8. Secondary Air Injection (AIR) solenoid valve -N112- Component location. See «COMPONENT LOCATION OF SECONDARY AIR INJECTION (AIR) SOLENOID VALVE -N112- AND RECIRCULATING VALVE FOR TURBOCHARGER -N249»(ref-213311-S26316559882006040300000). Checking. See «SECONDARY AIR INJECTION (AIR) SOLENOID VALVE -N112- CHECKING»(ref-213311-S39583932042005122900000).
9. Cylinder head