Exhaust system components: Warning!

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 Audi A6, 2003 Audi S6, 2003 Audi A6, 2002 Audi S6, and 2002 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

DO NOT re-use fasteners that are worn or deformed in normal use.
Some fasteners are designed to be used only once and are unreliable and may fail the second time. This includes, but is not limited to nuts, bolts, washers, circlips and cotter pins. Always follow the recommendations in this manual - replace these fasteners with new parts where indicated and any other time when deemed necessary by inspection.

NOTE:

After servicing the exhaust system, make sure that the system is not under stress and that there is sufficient clearance from body parts. If necessary, loosen the double clamps and align the muffler and exhaust pipes so that there is sufficient clearance to the body. The retaining rings must be evenly loaded.
ALWAYS REPLACE self-locking nuts.