Removal and Replacement
Exhaust System Overview
1 Heated Oxygen Sensor (G39)
• 55 Nm
• Bank 1 sensor 1
• Lubricate the threads with hot bolt paste.
• Make sure the hot bolt paste does not get into the slits in the sensor body.
2 Front Exhaust Pipe with Catalytic Converter
Danger of damaging the flex joint:
• The flex joint must not be bent more than 10°.
• Do not load the flex joint.
• Do not damage the wire mesh at the flex joint.
• Protect the catalytic converter from shocks and impact stress.
• Removing and installing, refer to => [ Front Exhaust Pipe with Catalytic Converter ] Service and Repair.
• Align the exhaust system free of stress. Refer to => [ Exhaust System, Aligning ] Procedures.
• Exhaust system, checking for leaks. Refer to => [ Exhaust System, Checking for Leaks ] Testing and Inspection.
3 Heated Oxygen Sensor 2 (G108)
• 55 Nm
• Bank 1 sensor 2
• Lubricate the threads with hot bolt paste.
• Make sure the hot bolt paste does not get into the slits in the sensor body.
4 Oxygen Sensor after Three Way Catalytic Converter (G130)
• 55 Nm
• Bank 1 sensor 2.
• Lubricate the threads with hot bolt paste.
• Make sure the hot bolt paste does not get into the slits in the sensor body.
5 Retaining Loop
• Replace if damaged.
• Follow the part number.
6 Bolt
• 23 Nm
7 Suspended Mount
• Replace if damaged.
8 Rear Muffler
• Is original equipment as one unit with the front muffler. For repairs, replace each separately.
• Exhaust system, separating and connecting. Refer to => [ Front and Rear Mufflers, Separating and Connecting ] Service and Repair.
• Align the exhaust system free of stress. Refer to => [ Exhaust System, Aligning ] Procedures.
• Exhaust system, checking for leaks. Refer to => [ Exhaust System, Checking for Leaks ] Testing and Inspection.
9 Nut
• 23 Nm
10 Rear Clamping Sleeve
• For individual replacement of the front and rear mufflers.
• Note the installed position, refer to => [ Clamping Sleeve Location ].
• Tighten the nuts evenly.
11 Retaining Loop
• Replace if damaged.
• Follow the part number.
12 Front Muffler
• Original equipment as one unit with the rear muffler. For repairs, replace each separately.
• Exhaust system, separating and connecting. Refer to => [ Front and Rear Mufflers, Separating and Connecting ] Service and Repair.
• Align the exhaust system free of stress. Refer to => [ Exhaust System, Aligning ] Procedures.
• Exhaust system, checking for leaks. Refer to => [ Exhaust System, Checking for Leaks ] Testing and Inspection.
13 Front Clamping Sleeve
• Before tightening the exhaust system, adjust it when it is cold so that it is free of tension. Refer to => [ Exhaust System, Aligning ] Procedures.
• Note the installed position, refer to => [ Clamping Sleeve Location ].
• Tighten the bolts evenly.
14 Bolt
• 26 Nm
• Always replace.
• For attaching the fuel tank.
15 Gasket
• Always replace.
16 Nut
• 40 Nm
• Always replace
• Lubricate the stud bolts on the exhaust manifold with hot bolt paste.
Clamping Sleeve Location
- When installing the clamping sleeve, ensure that the bolt end - arrow - does not project beyond the lower edge of clamping sleeve:
• Threaded connection points toward the right.
• Tighten the nuts equally to 23 Nm.