Exhaust System Components, Overview (Vehicles With Front Wheel Drive)

Exhaust System Components, Overview (Vehicles With Front Wheel Drive)







1. Center muffler
- Factory installed with rear muffler as one unit. If repair is necessary, replace separately
- Cutting point.
- Install exhaust system free of stress.
2. 23 Nm
3. Support ring
- Replace if damaged
4. 27 Nm
- Always replace
5. Exhaust manifold
- For cylinder bank 1 (right)
6. Gasket
- Always replace
7. Oxygen sensor, 55 Nm
- Before catalytic converter
- For cylinder bank 1 (right)
- Only grease threads with G 052 112 A3. Do NOT allow grease to get into slots on sensor body
8. Oxygen sensor, 55 Nm
- Before catalytic converter
- For cylinder bank 2 (left)
- Only grease threads with G 052 112 A3. Do NOT allow grease to get into slots on sensor body
9. Exhaust manifold
- For cylinder bank 2 (left)
10. Gasket
- Always replace
11. 27 Nm
- Always replace
12. Oxygen sensor, 55 Nm
- Behind catalytic converter
- For cylinder bank 2 (left)
- Only grease threads with G 052 112 A3. Do NOT allow grease to get into slots on sensor body
13. Front exhaust pipe with catalytic converter
- For cylinder bank 2 (left)
- With decoupling element
- Decoupling element must not be bent more than 10 degrees, otherwise it may be damaged
- Protect from hit and impact stress
- Install exhaust system free of stress.
- Individual mounting components for vehicles with manual transmission, see fig. 3.
- Individual mounting components for vehicles with automatic transmission 01J, see fig. 7.
- Vehicles with manual transmission, removing and installing.
- Vehicles with automatic transmission 01J, removing and installing
14. Front clamping sleeve
- Before tightening ensure exhaust system is free of stress.
- Installed position, see fig. 1.
- Tighten bolts evenly
15. 40 Nm
16. Oxygen sensor, 55 Nm
- Behind catalytic converter
- For cylinder bank 1 (right)
- Only grease threads with G 052 112 A3. Do NOT allow grease to get into slots on sensor body
17. Front exhaust pipe with catalytic converter
- For cylinder bank 1 (right)
- With decoupling element
- Decoupling element must not be bent more than 10 degrees, otherwise it may be damaged
- Protect from hit and impact stress
- Install exhaust system free of stress.
- Individual mounting components for vehicles with manual transmission, see fig. 4.
- Individual mounting components for vehicles with automatic transmission 01J, see fig. 8.
- Vehicles with manual transmission, removing and installing.
- Vehicles with automatic transmission 01J, removing and installing.
18. Rear muffler
- For left side of vehicle
- Factory-installed with center muffler as one unit. If repair is necessary, replace separately
- Cutting point.
- Replacing end pipes, see fig. 9.
- Install exhaust system free of stress.
19. Support ring
- Replace if damaged
20. 23 Nm
21. Rear muffler
- For right side of vehicle
- Factory-installed with center muffler as one unit. If repair is necessary, replace separately
- Cutting point.
- Replacing end pipes, see fig. 9.
- Install exhaust system free of stress.
22. 23 Nm
23. Rear clamping sleeve
- Used when center or rear muffler is replaced separately.
- Before tightening ensure exhaust system is free of stress.
- Installed position, see fig. 2.
- Tighten bolts evenly
24. 40 Nm
25. Support ring
- Replace if damaged
26. 23 Nm