Overview - Muffler, Vehicles With A Rear Muffler: Notes
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi A4 Quattro, 2014 Audi A4 Quattro, and 2013 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The exhaust manifold and turbocharger are one component; Removing and Installing. Refer to TURBOCHARGER .
- Rear Muffler
- Original equipment as one unit with center muffler. For repairs, replace each separately
- Separating point. Refer to EXHAUST PIPES/MUFFLERS, SEPARATING, VEHICLES WITH A REAR MUFFLER .
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Nut
- 25 Nm
- Rear Clamping Sleeve
- Before tightening, align exhaust system free of tension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Installed position. Refer to Figure
- Tighten the threaded connections evenly
- Bolt
- 23 Nm
- Bracket
- Retaining Loop
- Replace if damaged.
- Nut
- 25 Nm
- Front Clamping Sleeve
- Before tightening, align exhaust system free of tension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Installed position. Refer to Figure
- Tighten the threaded connections evenly
- Seal
- Always replace
- Nut
- 25 Nm
- Catalytic Converter
- Protect catalytic converter from shocks and impact stress
- Removing and installing. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .
- Align the exhaust system free of tension. Refer to Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Nut
- 40 Nm
- Always replace
- Coat turbocharger stud bolts with hot bolt paste.
- Hot bolt paste.
- Gasket
- Always replace
- Heated Oxygen Sensor -G39- and Oxygen Sensor Heater -Z19-
- Removing and installing. Refer to Heated Oxygen Sensor -G39-, REMOVING AND INSTALLING .
- Oxygen Sensor after Three Way Catalytic Converter -G130- and Heater for Oxygen Sensor 1 after Catalytic Converter -Z29-
- Removing and installing. Refer to Oxygen Sensor after Three Way Catalytic Converter -G130-, REMOVING AND INSTALLING .
- Front Muffler
- With a coupling
- Decoupling element must not be bent more than 10° - otherwise it may be damaged.
- Do not load decoupling element on cable
- Do not damage wire mesh at decoupling element
- Depending on the version, there may be a front exhaust pipe installed instead of a front muffler, refer to -item 17- Front Exhaust Pipe.
- Removing and installing. Refer to FRONT EXHAUST PIPE, REMOVING AND INSTALLING .
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Front Exhaust Pipe
- With a coupling
- Decoupling element must not be bent more than 10° - otherwise it may be damaged.
- Do not load decoupling element on cable
- Do not damage wire mesh at decoupling element
- Depending on the version, there may be a front exhaust pipe installed instead of a front muffler, refer to -item 16-Front Muffler
- Removing and installing. Refer to FRONT EXHAUST PIPE, REMOVING AND INSTALLING .
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Bolt
- 23 Nm
- Mount
- Replace if damaged.
- Check pretension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Center Muffler
- Original equipment as one unit with rear muffler. For repairs, replace each separately
- Separating point. Refer to EXHAUST PIPES/MUFFLERS, SEPARATING, VEHICLES WITH A REAR MUFFLER .
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Mount
- Replace if damaged.
- Check the pretension. Refer to EXHAUST SYSTEM, INSTALLING FREE OF TENSION, VEHICLES WITH A REAR MUFFLER .
- Bolt
- 23 Nm
- Tail Pipe
- For repairs, replace each separately. Refer to TAIL PIPES, REPLACING, VEHICLES WITH A REAR MUFFLER .
- Separating point between the rear muffler and the tailpipe. Refer to TAIL PIPES, REPLACING, VEHICLES WITH A REAR MUFFLER
- Clamp
- 60 Nm