Exhaust System Components, Overview, (Vehicles With All Wheel Drive)
Exhaust System Components, Overview, (Vehicles With All Wheel Drive)
1. 23 Nm
2. Support ring
- Replace if damaged
3. Center muffler
- Factory-installed with rear muffler as one unit. If repair is necessary, replace separately
- Cutting point
- Install exhaust system free of stress
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
- 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. 4.
- Individual mounting components for vehicles with automatic transmission 01V, see fig. 6.
- Vehicles with manual transmission, removing and installing.
- Vehicles with automatic transmission 01V, 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. 3.
- Individual mounting components for vehicles with automatic transmission 01V, see fig. 5.
- Vehicles with manual transmission, removing and installing.
- Vehicles with automatic transmission 01V, 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. 40 Nm
24. 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
Fig. 1 Installed position of front clamping sleeves
- Install double clamps so that bolt ends do not project over lower edge of double clamp.
- Threaded connections face each other
Fig. 2 Installed position of rear clamping sleeves
- Install double clamps so that bolt ends do not project over lower edge of double clamp.
- Threaded connections face outward
Fig. 3 Individual left mounting components for vehicles with manual transmission
1. Self-locking nut (25 Nm)
2. Spacer sleeve
3. Strap
4. Buffer
5. Spacer sleeve
6. Bolt (25 Nm)
7. Washer
8. Compression spring
9. Spacer sleeve
Fig. 4 Individual right mounting components for vehicles with manual transmission
1. Spacer sleeve
2. Strap
3. Compression spring
4. Washer
5. Bolt (25 Nm)
6. Spacer sleeve
7. Buffer
8. Spacer sleeve
9. Self-locking nut (25 Nm)
Fig. 5 Individual left mounting components for vehicles with automatic transmission 01V
1. Bolt (25 Nm)
2. Heat shield for selector lever cable
3. Spacer sleeve
4. Buffer
5. Strap
6. Spacer sleeve
7. Pivot
8. Self-locking nut (25 Nm)
9. Compression spring
10. Spacer sleeve
11. Washer
Fig. 6 Individual right mounting components for vehicles with automatic transmission 01V
1. Washer
2. Bolt (25 Nm)
3. Spacer sleeve
4. Buffer
5. Strap
6. Spacer sleeve
7. Self-locking nut (25 Nm)
8. Compression spring
9. Spacer sleeve
Fig. 7 Individual left mounting components for vehicles with automatic transmission 01J
1. Bolt (25 Nm)
2. Washer
3. Compression spring
4. Spacer sleeve
5. Self-locking nut (25 Nm)
6. Bolt (25 Nm)
7. Spacer sleeve
8. Buffer
9. Strap
10. Spacer sleeve
Fig. 8 Individual right mounting components for vehicles with automatic transmission 01J
1. Self-locking nut (25 Nm)
2. Bolt (25 Nm)
3. Spacer sleeve
4. Buffer
5. Strap
6. Spacer sleeve
7. Bolt (25 Nm)
8. Washer
9. Compression spring
10. Spacer sleeve
Fig. 9 Replacing end pipe
WARNING: Wear protective glasses.
- Using VAG1523 saw, cut end pipe -1- at cutting point -C- at right angle.
- Connect end pipe -3- up to marking -A-, so that slot on end pipe lines up with marking -B- on cover.
- Tighten mounting bolt of clamp -2- to 25 Nm.