Exhaust System Component, Overview

Exhaust System, Component Overview







1 - 23 Nm
2 - Suspended mount
- Replace if damaged
3 - 27 Nm
- Tighten uniformly in several stages
4 - Exhaust manifold
- For cylinder bank 1 (right)
5 - Heated Oxygen Sensor (HO2S) G39 (before catalytic converter)
- For cylinder bank 1 (right)
- 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 previous oxygen sensor, grease threads with hot bolt paste; the paste must not get into slots of oxygen sensor body.
6 - 27 Nm
- Tighten uniformly in several stages
7 - Exhaust manifold
- Cylinder bank 2 (left)
8 - Heated Oxygen Sensor (HO2S) 2 G108 (in front of catalytic converter)
- For cylinder bank 2 (left)
- 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 previous oxygen sensor, grease threads with hot bolt paste; the paste must not get into slots of oxygen sensor body.
9 - Front exhaust pipe with pre- and main catalytic converters
- For left side of vehicle
- With flex joint
- Decoupling element must not be bent more than 10 degrees otherwise it may be damaged
- Protect from hit- and impact stress
- Individual mounting components for vehicles with manual transmission
- Individual mounting components for vehicles with automatic transmission
- Install exhaust system free of stress
10 - Front clamping sleeve
- Installed location
- Before tightening, ensure exhaust system is tension-free
- Tighten bolts evenly
11 - 40 Nm
12 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G131
- For cylinder bank 2 (left)
- 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 previous oxygen sensor, grease threads with hot bolt paste; the paste must not get into slots of oxygen sensor body.
13 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130
- For cylinder bank 1 (right)
- The threads of new oxygen sensors are coated with assembly paste; paste must not get into slots of oxygen sensor body
- When re-using previous oxygen sensor, grease threads with hot bolt paste; the paste must not get into slots of oxygen sensor body.
14 - Front exhaust pipe with pre- and main catalytic converters
- For right side of vehicle
- With flex joint
- Decoupling element must not be bent more than 10 � otherwise it may be damaged
- Protect from hit and impact stress
- Individual components of suspension
- Install exhaust system free of stress
15 - Rear muffler
- For left side of vehicle
- Original equipment as one unit with center muffler. For repairs, replace each separately.
- Separating point
- With exhaust flap - checking exhaust flap
- Install exhaust system free of stress
16 - Suspended mount
- Replace if damaged
17 - 23 Nm
18 - Rear muffler
- For right side of vehicle
- Original equipment as one unit with center muffler. For repairs, replace each separately.
- Separating point
- With exhaust flap - checking exhaust flap
- Install exhaust system free of stress
19 - 25 Nm
20 - 40 Nm
21 - Rear clamping sleeve
- For individual replacement of center and rear mufflers
- Installed location
- Before tightening, ensure exhaust system is tension-free
- Tighten bolts evenly
22 - Center muffler
- Original equipment as one unit with rear muffler. For repairs, replace each separately.







Installed position of front double clamps
- Install double clamps so that the bolt ends do not project over lower edge of double clamp.

- Threaded connections face each other.







Installed position of rear double clamps
- Install double clamps so that the bolt ends do not project over lower edge of double clamp.

- Threaded connections point toward outside.







Individual left mounting components - vehicles with manual transmission
1. Bolt - 25 Nm
2. Spacing sleeve
3. Tab
4. Spring
5. Washer
6. Bolt - 25 Nm
7. Bolt - 25 Nm
8. Spacing sleeve
9. Buffer
10. Spacing sleeve
11. Bracket
12. Washer







Individual left mounting components - vehicles with automatic transmission
1. Spacing sleeve
2. Buffer
3. Tab
4. Spacing sleeve
5. Bolt - 25 Nm
6. Bolt - 25 Nm
7. Washer
8. Spring
9. Spacing sleeve







Individual components of suspension, right side
1. Bolt - 25 Nm
2. Spacing sleeve
3. Buffer
4. Spacing sleeve
5. Nut, self-locking 25 Nm
6. Spacing sleeve
7. Tab
8. Spring
9. Washer
10. Bolt - 25 Nm