Parts of Exhaust System, Assembly Overview

Parts Of Exhaust System, Assembly Overview: Vehicles With All Wheel Drive (AWD)







1. 30 Nm
- Replace
- Coat thread with hot bolt paste G 052 112 A3
2. Exhaust manifold
- With turbocharger.
3. Seal
- Replace
4. Heated Oxygen Sensor (HO2S) G39, 50 Nm
- Use Ring Spanner 7-Piece Set 3337 for removal and installation
- If sealing ring is damaged, cut open and replace it
- Only use hot bolt paste G 052 112 A3 to grease thread; do not let hot bolt paste G 052 112 A3 get onto slits of oxygen sensor body
5. Catalytic converter
6. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130
- Use Ring Spanner 7-Piece Set 3337 for removal and installation
- If sealing ring is damaged, cut open and replace it
- Only use hot bolt paste G 052 112 A3 to grease thread; do not let hot bolt paste G 052 112 A3 get onto slits of oxygen sensor body
7. 25 Nm
- Replace
- Coat thread with hot bolt paste G 052 112 A3
8. Marking
- 3x around circumference
9. Decoupling element
- Max. flex: 10 degrees
10. Suspended mount
- Individual components
11. Front exhaust pipe
12. Washer
13. 30 Nm
- Replace
- Coat thread with hot bolt paste G 052 112 A3
14. Right rear muffler
15. Suspended mount
16. Bracket
17. 25 Nm
18. Left rear muffler
19. Separating point
- As standard, centre and rear mufflers are installed as a single component. Replacement center and rear mufflers are supplied separately, connection with a double clamp.
- Cut at right angle through connecting pipe at separation point using a Body Repair Saw, e.g. V.A.G 1523 A.
20. Double clamps (for repair)
- Note installation position
21. 40 Nm
22. Carriage bolt
23. Suspended mount
- With retaining ring
24. Double clamp
- Note installation position
25. Center muffler







Individual components of mounting
1. Shackle with buffer
2. Exhaust pipe
3. Washer
4. Hex bolt, 25 Nm
5. Self-locking nut, 25 Nm
6. Spacer sleeve
7. Spring
8. Hex bolt







Installation position of double clamp
Double clamp viewed in direction of travel.
- When installing the double clamp, ensure that the bolt end does not project over the lower edge of double clamp.







Separating point between center and rear muffler

Special tools, testers and auxiliary items required
- Body Repair Saw V.A.G 1523 A

Work procedure
- Separate connecting pipe between center muffler and rear muffler at the location marked with a groove.
- Dimension - a - approx. 244 mm







Installation position of double clamps

Double clamps viewed in direction of travel.
- When installing the double clamp (for repair), ensure that the bolt end does not project over the lower edge of double clamp.
- The screws must be positioned on the outside.