Exhaust system, checking for leaks
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.
- Start engine and let it idle.
- Plug tailpipes with rags or stoppers until check is completed.
- Listen for noise at connection points of cylinder head/manifold, manifold/turbocharger, turbocharger/catalytic converter etc., to locate any leaks.
- Correct any leaks that are found.