Exhaust System, Checking For Leaks

2009 Audi A6 BaseSECTION Exhaust System, Checking For Leaks
WARNING: This page is about a different car, the 2011 Audi A6 and 2010 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

ProcedureΒ 

-- Start the engine and let it run at idle.

-- Seal the exhaust pipes with cloths or plug them 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.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.