Exhaust System Component, Overview

Exhaust System, Component Overview







1 - 23 Nm
2 - Suspended mount
- Replace if damaged
3 - 25 Nm
- Tighten evenly 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.
- tighten to 55 Nm
6 - 25 Nm
- Tighten evenly 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 the threads with hot bolt paste; the paste must not get into slots of oxygen sensor body.
- Tighten to 55 Nm
9 - 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.
- Tighten to 55 Nm
10 - 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 shocks and impact stress
- Individual components of suspension
- Install exhaust system free of stress
11 - Front clamping sleeve
- Installed location
- Before tightening, align exhaust system tension-free
- Tighten threaded connections evenly.
12 - 23 Nm
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; the paste must not get into slots of oxygen sensor body
- When re-using the previous oxygen sensor, grease the threads with hot bolt paste; the paste must not get into slots of oxygen sensor body.
- Tighten to 55 Nm
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 shocks 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 - Brace
19 - 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
20 - 23 Nm
21 - 23 Nm
22 - Rear clamping sleeve
- For individual replacement of center and rear mufflers
- Installed location
- Before tightening, align exhaust system tension-free
- Tighten threaded connections evenly.
23 - Center muffler
- Original equipment as one unit with rear muffler. For repairs, replace each separately.
- Separating point
- Install exhaust system free of stress







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 suspension components, left side
1. Bracket
2. Bolts, 25 Nm
3. Buffer
4. Spacing sleeve
5. Washer
6. Bolt, 40 Nm
7. Bolt, 25 Nm
8. Washer
9. Spring
10. Tongue
11. Spacer sleeves







Individual components of suspension, right side
1. Spacing sleeve
2. Buffer
3. Tongue
4. Spacing sleeve
5. Washer
6. Bolt, 40 Nm
7. Bolt, 25 Nm
8. Washer
9. Spring
10. Spacing sleeve
11. Bracket
12. Bolt, 25 Nm