Catalytic converter, removing and installing: Installing

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order, paying attention to the following:

Grease threads of oxygen sensor only with hot bolt paste G 052 112 A3; paste must not be allowed to come into contact with slits in sensor body.
Align exhaust system free of stress → Exhaust system - vehicles with front wheel drive, aligning stress-free and → Exhaust system - vehicles with all wheel drive, aligning stress-free .