Exhaust System, Checking For Leaks
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Audi S7, 2018 Audi RS 7, 2017 Audi S7, 2017 Audi RS 7, and 2016 Audi S7. 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.