Exhaust system components, removing and installing: Notes

NOTE:

• Aligning exhaust system to relieve stress, see EXHAUST SYSTEM, ALIGNING TO RELIEVE STRESS 
• Checking exhaust system for leaks, see EXHAUST SYSTEM, CHECKING FOR LEAKS 
• Separating point between center and rear mufflers, see SEPARATING POINT BETWEEN CENTER AND REAR MUFFLERS 
• Always replace gaskets and nuts. 

NOTE: The following list refers to items in Fig 1.

1. 40 Nm (29 ft lb) 
2. From Three Way Catalytic Converter (TWC) 
3. Carriage bolt 
4. Double clamp 
   • Tighten evenly to 40 Nm (29 ft lb)
   • Installation position, see DOUBLE CLAMPS FRONT, INSTALLATION POSITION 
   • Always replace clamp after bolts have been loosened
5. 25 Nm (18 ft lb) 
6. Mount 
   • With retainer
7. Center muffler 
8. Repair double clamp 
   • Tighten evenly to 40 Nm (29 ft lb)
   • Installation position, see DOUBLE CLAMPS FRONT, INSTALLATION POSITION 
   • Always replace clamp after bolts have been loosened
9. Separating point 
   • At the factory, center and rear mufflers are installed as single components. Replacement center and rear mufflers are supplied separately with double clamps for connecting the joints.
   • Cutting at separating point, see SEPARATING POINT BETWEEN CENTER AND REAR MUFFLERS 
10. Rear muffler, right 
11. Mount 
12. Bracket 
13. Rear muffler, left 

Fig 1: Identifying Exhaust System Components

Courtesy of AUDI OF AMERICA, INC.