Exhaust System Overview

Exhaust System Overview






1 Nut

• 40 Nm

• Always replace

• Lubricate studs on the exhaust manifold with hot bolt paste.

2 Front Exhaust Pipe with Catalytic Converter

• Protect from shocks and impact stress.

• With a flex joint.

• The flex joint must not be bent more than 10° - otherwise it may be damaged.

• Removing and installing, refer to => [ Front Exhaust Pipe with Catalytic Converter ] Service and Repair.

3 Oxygen Sensor after Three Way Catalytic Converter (G130)

• 55 Nm

• Bank 1, sensor 2.

• Only use hot bolt paste to grease the threads; do not let the paste get onto the slits of the oxygen sensor body.

4 Retaining Loop

• Replace if damaged.

5 Nut

• 25 Nm

6 Rear Muffler

• Original equipment as one unit with the center muffler. For repairs, replace each separately.

• Installing the exhaust system free of stress. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

• Separating the exhaust system, refer to => [ Center and Rear Muffler, Separating ] Service and Repair.

7 Suspended Mount

• Replace if damaged.

8 Bolt

• 25 Nm

9 Rear Clamping Sleeve

• For individual replacement of the center and rear mufflers.

• Installed position, refer to => [ Installed Position of the Rear Clamping
Sleeve ] Clamping Sleeves.

• Tighten the nuts evenly.

10 Center Muffler

• Original equipment as one unit with the rear muffler. For repairs, replace each separately.

• Installing the exhaust system free of stress. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

• Separating the exhaust system, refer to => [ Center and Rear Muffler, Separating ] Service and Repair.

11 Bolt

• 25 Nm

12 Front Clamping Sleeve

• Before tightening, ensure the exhaust system is free of tension. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

• Installed position, refer to => [ Installed Position of the Front Clamping
Sleeve ] Clamping Sleeves.

• Tighten the nuts evenly.

13 Nut

• 25 Nm

14 Suspended Mount

15 Suspended Mount

16 Gasket

• Always replace.

17 Heated Oxygen Sensor (G39)

• 55 Nm

• Bank 1, sensor 1

• Only use hot bolt paste to grease the threads; do not let the paste get onto the slits of the oxygen sensor body.