Overview 1
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
- Individual mounting components for vehicles with automatic transmission 01V
- 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
- 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
- Individual mounting components for vehicles with automatic transmission 01V
- 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
- 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
- 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
- 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.