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Funny sound from bottom side

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Old 05-14-2014, 03:17 PM
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zz28zz
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Default Funny sound from bottom side

While I was in a drive-thru line last week, I noticed rattling sound bouncing off the wall next to me. Once under way, I didn't hear anything unusual. No vibrations at all.

A couple days later, while in my garage, I leaned out the door and started eng(cold). Heard a few different noises. From the front, sounded like a knocking sound. From the rear, sounded like a rattle. Also heard a couple of "ching" sounds. Does this sound like a torque tube noise? Car has A4 and 100k miles. I've been babying it, so don't know what it does at high RPM, but at 2500rpm and below, there's no vibrations.

Thx!
Old 05-14-2014, 07:28 PM
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American Heritage
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can you make a video of the sound and post it up?
Old 05-15-2014, 01:26 PM
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zz28zz
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I can try to get a audio clip posted when I get back into town.
Old 05-19-2014, 10:54 PM
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Turned out to be one of the cats. The guts came loose and it was making a few different noises.

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