Checking the exhaust system for leaktightness (Superb II, Octavia II, Fabia II, Roomster) |
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| Start engine and run in idle. |
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| Seal off exhaust tailpipes of rear silencer for the duration of the leak check (e.g. with cloth or plug). |
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| Inspect connection points of cylinder head/exhaust manifold, exhaust gas turbocharger/pre-exhaust pipe etc. for leaktightness by listening. |
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| Eliminate any leak found. |
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