Overview - Muffler, AWD Vehicles

WARNING: This page is about a different car, the 2019 Audi A4 allroad, 2018 Audi A4 allroad, 2017 Audi A4 allroad, and 2017 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Location Muffler, AWD Vehicles

Courtesy of AUDI OF AMERICA, LLC

Center Muffler
- Original equipment as one unit with rear mufflers. If a repair is required replace each separately
- Separating point. Refer to EXHAUST PIPES/MUFFLERS, DISCONNECTING .
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Retaining Loop
- Always replace if damaged
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Bolt
- 23 Nm
Bracket
Front Muffler
- With coupling:
  - Do not bend more than 10°
  - Do not load on cable
  - Do not damage wire mesh at decoupling element
- Removing and installing. Refer to FRONT MUFFLER, REMOVING AND INSTALLING .
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Gasket
- Always replace after removing.
Nut
- 23 Nm
Bolt
- 23 Nm
Mount
- Always replace if damaged
- Check the pretension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Front Clamping Sleeve
- Before tightening, align the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
- Tighten the threaded connections equally to 23 Nm.
- Installation position. Refer to Figure.
Rear Muffler
- Original equipment one unit with the center muffler. If a repair is required replace each separately
- Separating point. Refer to EXHAUST PIPES/MUFFLERS, DISCONNECTING .
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Mount
- Always replace if damaged
- Check the pretension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Bolt
- 23 Nm
Rear Clamping Sleeve
- Before tightening, align the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
- Tighten the threaded connections equally to 23 Nm.
- Installation position. Refer to Figure.
Bracket
Bolt
- 23 Nm
Retaining Loop
- Always replace if damaged
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .