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Vibration(?) Noise in 2003 C4S


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Twice now I've noticed a noise coming from the rear after turning left after stopping at an intersection. The noise seemed to persist through first and second gears after the turn was completed, sounded like a vibration and went away after shifting into third gear both times. My passenger remarked the noise sounded like a thin piece of metal "fluttering" in the rear of the car. I've only noticed this noise twice and both times the car was well warmed up. Any theories on what may be the source?

Thanks,

John

Edited by John S
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You are likely going to have to try more things to narrow it down.

Do you the hear vibration when you rev the engine? The fluttering metal sound has sometimes been a broken weld inside a muffler.

Try putting the clutch in and turning left (at a reasonable speed) and see if you hear the noise (if so it's likely in the suspension i.e. loose sway bar).

Of course you could crawl under the car and look for something loose too.

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