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Exhaust gas temperature control > < Stress-free alignment of exhaust system

A3 Mk2

Checking exhaust system for leaks
Checking exhaust system for leaks
–  Start engine and run at idling speed.
–  Seal off tailpipes for duration of leak test with cloths or plugs, etc.
–  Listen at joints between cylinder head/exhaust manifold, turbocharger/front exhaust pipe etc. to check for leaks.
–  Repair any leaks that are found.
   

Exhaust gas temperature control > < Stress-free alignment of exhaust system