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Exhaust System, Checking For Leaks

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2019 Audi A4 allroad, 2019 Audi A4 Quattro, 2018 Audi A4 allroad, 2018 Audi A4 Quattro, and 2017 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.

Procedure 

-- 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.

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