Inspecting the exhaust system for leaktightness |
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| Start engine and run in idle. |
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| Seal off exhaust tailpipe for the test duration with suitable plug. |
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| Inspect connection points for leaktightness by listening: cylinder head/exhaust manifold, exhaust turbocharger/pre-exhaust pipe with catalytic converter, double clamp at middle or also at rear part of exhaust system. |
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| Rectify any fault found. |
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