Exhaust System, Checking For Leaks
WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. 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 off the tail pipes with cloths for the duration of the leak test.
-- Check for leaks by listening at connection areas of cylinder head/exhaust manifold, exhaust manifold/front exhaust pipe etc.
-- Repair detected leaks.