Catalytic Converter: Service and Repair

Exhaust manifold, front exhaust pipe and catalytic converter with attachments

Note:
^ Replace self-locking nuts.
^ Components marked with an * are checked by On Board Diagnostic (OBD):
Refer to Powertrain Management

1. Gasket
^ Replace
^ 2-part
^ Observe installation position
2. Exhaust manifold
^ 2-part
3. 25 Nm
^ Replace
4. 23 Nm
5. 13 Nm
6. 25 Nm
7. Heat shield
8. 10 Nm
9. Coolant pipe
10. Connector
^ Black, 6-pin
^ Gold plated contacts
11. Heated Oxygen Sensor (HO2S) -G39-*, 50 Nm
12. Connector
^ Black, 4-pin
^ Contacts 3 and 4 are gold plated
13. Oxygen Sensor (H02S) Behind Three Way Catalytic Converter
14. Front exhaust pipe with catalytic converter
15. To forward muffler
16. 5 Nm
17. Heat shield
18. Securing clamp
19. 40 Nm
^ Replace
20. Gasket
^ Replace
^ 2-part