Air Injection: Locations

Secondary Air System Components, Assembly Overview (Engine Codes AVH, AZG, BEV, AEG from 06.99)

1. Combination valve
2. Secondary Air Injection (AIR) pump relay -J299-
- Location
3. O-ring
4. Pressure hose
- Check for secure seating
- To unlock, press together on corrugated area of ring
5. Intake hose
- From air cleaner
- For secondary air pump
- Check for secure seating
- To unlock, press together on corrugated area of ring
6. Secondary Air Injection (AIR) pump motor -V101-
- Activation via Secondary Air Injection (AIR) pump relay -J299-
7. 10 Nm
8. Bracket
- For secondary air pump motor
- Secured to intake manifold
9. Connector
- 2-pin
10. 25 Nm
11. Intake manifold - lower part
12. To union on exhaust manifold
13. 40 Nm
14. Connecting pipe
15. 60 Nm
16. Warm air collector plate
- With mounting for combination valve
17. Seal

Location of Secondary Air Injection (AIR) pump relay -J299-
The Secondary Air Injection (AIR) pump relay -J299- - arrow - is located in the protective housing for relays and fuses in the engine compartment (inserted into the cable guide next to the brake master cylinder).

Engine codes BDC, BGD

1. Combination valve
2. O-ring
3. Pressure hose
- Check for secure seating
- To unlock, press together on corrugated area of ring
4. Intake hose
- For secondary air pump
- Check for secure seating
- To unlock, press together on corrugated area of ring
5. To air cleaner
6. Secondary Air Injection (AIR) pump motor -V101-
- Activation via Secondary Air Injection (AIR) pump relay -J299-
- Location of Secondary Air Injection (AIR) pump relay -J299-
7. Connector
- 2-pin
8. 10 Nm
9. 25 Nm
10. 15 Nm
11. Bracket
- For secondary air pump motor
- Secured to intake manifold
12. Intake manifold - lower part
13. 10 Nm
14. To union on exhaust manifold
15. 40 Nm
16. Connecting pipe
17. 60 Nm
18. Warm air collector plate
- With mounting for combination valve
19. Seal
- Replace