Exhaust System, Checking For Leaks

WARNING: This page is about a different car, the 2015 Audi A7 Quattro, 2014 Audi A7 Quattro, 2013 Audi A7, and 2012 Audi A7. However, it is still accessible from the selected car via links, so may be relevant.

-- Start the engine and let it run at idle.

-- Seal the tail pipes with cloths or plugs during the leakage test.

-- Check for leaks by listening at connection areas at cylinder head and exhaust manifold, exhaust manifold and front exhaust pipe, etc.

-- Repair detected leaks.