Skoda Workshop Service and Repair Manuals > Octavia Mk2 > Drive unit | 1.9/77 kW TDI PD Engine | Exhaust system | Removing and installing parts of the exhaust system | Checking the exhaust system for leaktightness (Superb II, Octavia II, Fabia II, Roomster)

Checking the exhaust system for leaktightness (Superb II, Octavia II, Fabia II, Roomster)

–	Start engine and run in idle.

–	Seal off exhaust tailpipes of rear silencer for the duration of the leak check (e.g. with cloth or plug).

–	Inspect connection points of cylinder head/exhaust manifold, exhaust gas turbocharger/pre-exhaust pipe etc. for leaktightness by listening.

–	Eliminate any leak found.

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