Exhaust System, Checking For Leaks
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2017 Audi S5, 2016 Audi S5, 2016 Audi S4, 2015 Audi S5, and 2015 Audi S4. 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.