Exhaust System For Vehicles With Front Wheel Drive (FWD) - Component Overview

Exhaust System For Vehicles With Front Wheel Drive (FWD) - Component Overview







1. Turbocharger
2. Seal
- Always replace
3. Heated Oxygen Sensor (HO2S) -G39- (before catalytic converter)
- Bank 1, sensor 1
- The threads of new oxygen sensors are coated with assembly paste; the paste must not get into slots of oxygen sensor body
- When re-using the old oxygen sensor, grease the threads with hot bolt paste; the paste must not get into slots of oxygen sensor body
- oxygen sensor body, Hot bolt paste.
- Tighten to 55 Nm
4. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- with Oxygen Sensor (O2S) Heater 1 -Z29-
- Bank 1, sensor 2
- The threads of new oxygen sensors are coated with assembly paste; the paste must not get into slots of oxygen sensor body
- When re-using the old oxygen sensor, grease the threads with hot bolt paste; the paste must not get into slots of oxygen sensor body, Hot bolt paste.
- Tighten to 55 Nm
5. Catalytic converter
- Protect from hit- and impact stress
- Install exhaust system free of stress
6. Seal
- Always replace
7. 25 Nm
8. Front exhaust pipe
- With decoupling element
- Decoupling element must not be kinked more than 10 degrees, otherwise it may be damaged
9. Front clamping sleeve
- Before tightening, align exhaust system is tension-free
- Installation position, see Fig. 1.
- Tighten bolts evenly
10. 40 Nm
11. Spacer sleeve
12. Buffer
13. Strap
14. Washer
15. 30 Nm
16. Rear muffler
- For left side of vehicle
- Factory-installed with center muffler as one unit. If repair is necessary, replace separately
- Install exhaust system free of stress
17. Suspended mount
- Replace if damaged
18. 25 Nm
19. Rear muffler
- For right side of vehicle
- Factory-installed with center muffler as one unit. If repair is necessary, replace separately
- Install exhaust system free of stress
20. 40 Nm
21. Rear clamping sleeve
- 2x
- Used when center or rear muffler is replaced separately.
- Before tightening, align exhaust system is tension-free
- Installed position, see Fig. 2.
- Tighten bolts evenly
22. Center muffler
- Factory-installed with rear muffler as one unit. If repair is necessary, replace separately
- Install exhaust system free of stress
23. 25 Nm
24. Suspended mount
- Replace if damaged
25. Bolt
26. Washer
27. Compression spring
28. Spacer sleeve
29. 25 Nm
30. 40 Nm
- Always replace