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Clicking sound at idle moves with rpm

PorscheServiceThen529Plan
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PorscheServiceThen529Plan Member

PorscheServiceThen529Plan

Posted
Posted

2001 C4 cab. Brand new noise at 57k. Ticking sound at idle. Not loud and softer than tappets, and I could swear it is coming from behind dash on drivers side, but seems impossible if it's frequency is in synch with rpms. I think it's coming from near alternator when I stick me head in close. What stumps me is how it could move with rpms and sound like its in dash. Any possible explanation appreciated. Thanks

Ronnie38 Member

Ronnie38

Posted
Posted

Vibrations can travel and the sound can appear in different areas. I had that kind of noise it turned out to be a stuck ring causing a fowled plug if was found by using a leak down test.

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