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What is this rapid clicking noise

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Old 08-19-2013, 02:58 AM
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What is this rapid clicking noise

Hi I recently hear rapid clicking noise from the passenger side after i turn off the car, when I open the hood it sounds like its coming from the engine. Can anyone tell me what is this problem?
Old 08-19-2013, 04:11 AM
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Its the exhaust system cooling of, its perfectly normal.
Old 08-19-2013, 10:05 AM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Some clicking is also the engine electronics & emissions gear shutting down. Audible clicking with the engine running is almost always a noisy purge valve for the EECS.

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