Exhaust System, Checking For Leaks: Procedure
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-- 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.