Exhaust System, Checking For Leaks
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 Audi S3, 2017 Audi RS 3, 2016 Audi S3, 2016 Audi A3, and 2015 Audi S3. However, it is still accessible from the selected car via links, so may be relevant.
-- Start the engine and let it run in idle.
-- Seal the tailpipes, for example, with a cloth or a plug, for the duration of the leak test.
-- Check for leaks by listening at connection areas of cylinder head/turbocharger, turbocharger/front exhaust pipe etc.
-- Repair the determined leaks.