Overview - Muffler, AUDI A6/A7

Fig 1: Muffler Overview

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 23 Nm
2. Bracket
3. Retaining Loop
   • Replace if damaged
   • Replace the red retaining loop after removing
   • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
4. Bolt
   • 23 Nm
5. Retaining Loop
   • Replace if damaged
   • Replace the red retaining loop after removing
   • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
6. Bracket
7. Bolt
   • 23 Nm
8. Nut
   • 23 Nm
9. Seal
   • Replace after removing
10. Mount
    • Replace if damaged
    • Replace the red mount after removing
    • Check the pretension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
11. Bolt
    • 23 Nm
12. 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 .
13. Clamping Sleeve
    • Before tightening, align the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
    • Installation position. Refer to Fig 2.
    • Tighten the threaded connections equally to 23 Nm.
14. Mount
    • Replace if damaged
    • Replace the red mount after removing
    • Check the pretension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
15. Center Muffler
    • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
16. Mount
    • Replace if damaged
    • Replace the red mount after removing
    • Check the pretension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
17. Bolt
    • 23 Nm
18. Bracket
19. Retaining Loop
    • Replace if damaged
    • Replace the red retaining loop after removing
    • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
20. Bolt
    • 23 Nm
21. Retaining Loop
    • Replace if damaged
    • Replace the red retaining loop after removing
    • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .

Front Clamping Sleeve - Installation Position

Fig 2: Identifying Clamping Sleeve Position

Courtesy of AUDI OF AMERICA, LLC

-- Install the clamping sleeve in the position shown.

• Angle -α- = approximately 20°.
• The threaded connections are to the right.
• The nuts are toward the top.