Exhaust Manifold, Front Exhaust Pipe With Three Way Catalytic Converter (TWC) and Attachments

Exhaust Manifold, Front Exhaust Pipe With Three Way Catalytic Converter (TWC) And Attachments







NOTE:
- Cylinder bank 1 is located in direction of travel, right.
- Cylinder bank 2 is located in direction of travel, left.

1. Heated Oxygen Sensor (HO2S) -G39-*, 50 Nm
- Use "G5" to grease thread only; do not let "G5" get onto slits of oxygen sensor body
- Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC)
- Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC)
2. 4-pin harness connector
- black
- for Heated Oxygen Sensor (HO2S) -G39- before catalytic converter and Oxygen Sensor (O2S) Heater -Z19-, cylinder bank 1
- Component location.
3. Right-front exhaust pipe with Three Way Catalytic Converter (TWC)
- Check catalytic converter
4. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-*, 50 Nm
- Only use "G 052 112 A3" to grease thread; do not let "G 052 112 A3" get onto slit of oxygen sensor
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC)
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
5. 4-pin harness connector
- green
- for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) -729-, cylinder bank 1
- Component location.
6. 25 Nm
7. Spacer sleeve
8. Bracket
9. Spring
10. Bolt
11. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-*, 50 Nm
- Only use "G 052 112 A3" to grease thread; do not let "G 052 112 A3" get onto slit of oxygen sensor
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC)
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
12. 4-pin harness connector
- brown
- for Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- and Oxygen Sensor (O2S) Heater 2 (behind Three Way Catalytic Converter (TWC)) -Z30-, cylinder bank 2
- Component location.
13. to front and center muffler
Vehicles with All Wheel Drive (AWD)
Vehicles with Front Wheel Drive (FWD)
14. Left-front exhaust pipe with Three Way Catalytic Converter (TWC)
- Check catalytic converter
15. Heated Oxygen Sensor (HO2S) 2 -G108-", 50 Nm
- Only use "G 052 112 A3" to grease thread; do not let "G 052 112 A3" get onto slit of oxygen sensor
- Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC)
- Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC)
16. 4-pin harness connector
- black
- for Heated Oxygen Sensor (HO2S) 2 -G108- and Oxygen Sensor (O2S) Heater 2 -220-, cylinder bank 2
- Component location.
17. Upper heat shield
18. Lower heat shield
19. Left-side exhaust manifold
20. Right-side exhaust manifold
21. Gasket
- replace