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 duration of the leak check (e.g. with cloths or plugs). |
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| Inspect connection points for tightness by listening: cylinder head/exhaust manifold, exhaust manifold/exhaust pipe with catalytic converter, etc. |
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| Eliminate any leak found. |
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