Exhaust Manifold: Service and Repair

Exhaust Manifold/Front Exhaust Pipe With Catalytic Converter And Attachments, Assembly Overview (Engine codes AVH, AZG, BEV, BGD)







1. Warm air collector plate
2. Heated Oxygen Sensor (HO2S) -G39-, 50 Nm
- Grease only threads with G 052 112 A3; G 052 112 A3 must not get into sensor body slots
- Installing and removing with ring spanner 3337
3. 6-pin connector
- For Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19-
- Contacts are gold plated
4. Combination valve
- Engines with secondary air system only
5. 10 Nm
6. 25 Nm
7. 25 Nm
8. 40 Nm
- Engines with secondary air system only
9. Connecting pipe
- Engines with secondary air system only
- For secondary air inlet
10. 60 Nm
- Engines with secondary air system only
11. 25 Nm
12. Mounting
13. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-, 50 Nm
- Grease only threads with G 052 112 A3; G 052 112 A3 must not get into sensor body slots
- Installing and removing with ring spanner 3337
14. 4-pin connector
- For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) heater 1 (behind Three Way Catalytic Converter) -229-
- Contacts 3 and 4 are gold-plated
15. Front exhaust pipe with catalytic converter
- With coupling element
- Different versions
- Allocation Electronic parts catalog "ETKA"
16. 10 Nm
17. To front muffler
18. Heat shield
- For catalytic converter
19. 5 Nm
20. Speed nut
- Connect from rear and slide forward onto stop
21. 25 Nm
22. Seal
23. Exhaust manifold
- Different versions
- Allocation Electronic parts catalog "ETKA"
24. Seal
- Replace