Exhaust System Overview
Exhaust System Overview
1 Nut
• Replace
• 40 Nm
• Coat turbocharger stud bolts with hot bolt paste.
• Hot bolt paste, refer to the electronic parts catalog ETKA
2 Front Exhaust Pipe with Catalytic Converters and Front Muffler
• With front exhaust pipe
• Protect from shocks and impact stress
• With flex joint
• Flex joint must not be bent more than 10° - otherwise it may be damaged
• Removing and installing, refer to => [ Front Exhaust Pipe with Catalytic Converters and Front Muffler ] Service and Repair
• Install exhaust system free of stress, refer to => [ Exhaust System, Aligning ] Procedures
3 Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor 1 after Catalytic Converter (Z29)
• Tightening specification, 55 Nm
• Only use hot bolt paste to grease thread; do not let paste get onto slits of oxygen sensor body
• Hot bolt paste, refer to the electronic parts catalog ETKA
4 Retaining Loop
• Replace if damaged
5 Nut
• 23 Nm
6 Retaining Loop
• Replace if damaged
7 Rear Muffler
• Original equipment as one unit with center muffler. For repairs, replace each separately.
• Separating point => [ Separate exhaust pipe at a right
angle at separating point using the. ] Center and Rear Mufflers, Separating
• Install exhaust system free of stress, refer to => [ Exhaust System, Aligning ] Procedures
8 Suspended Mount
• Replace if damaged
9 Bolt
• 23 Nm
10 Rear Clamping Sleeve
• For individual replacement of center and rear mufflers
• Tighten bolts evenly
11 Center Muffler
• Original equipment as one unit with rear muffler. For repairs, replace each part separately.
• Separating point => [ Separate exhaust pipe at a right
angle at separating point using the. ] Center and Rear Mufflers, Separating
• Install exhaust system free of stress, refer to => [ Exhaust System, Aligning ] Procedures
12 Retaining Loop
• Replace if damaged
13 Bolt
• 23 Nm
14 Front Clamping Sleeve
• Before tightening, ensure exhaust system is tension-free, refer to => [ Exhaust System, Aligning ] Procedures
• Tighten bolts evenly
15 Nut
• 23 Nm
16 Suspended Mount
17 Bolt
• 23 Nm
18 Suspended Mount
19 Support
20 Bolts
• 40 Nm
21 Gasket
• Replace
22 Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor (O2S) Heater (Z19)
• Tightening specification, 55 Nm
• Only use hot bolt paste to grease thread; do not let paste get onto slits of oxygen sensor body
• Hot bolt paste, refer to the electronic parts catalog ETKA
Installed Position of Front Clamping Sleeve
- Install clamping sleeve so that the end of the bolt does not extend beyond the lower edge of the clamping sleeve.
• Threaded connection points toward the right.
Installed Position of Rear Clamping Sleeve
- Install clamping sleeve so that the end of the bolt does not extend beyond the lower edge of the clamping sleeve.
• Threaded connection points to the rear.