S2000 Under The Hood S2000 Technical and Mechanical discussions.

Differential (?) humming noise

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Old 05-08-2009, 02:41 AM
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Default Differential (?) humming noise

http://www.youtube.com/watch?v=8oQoA0dRDg8

This is the sound my car is making. It was very quiet, but audible about 3,000 miles ago but since then it has gradually gotten louder. All signs point to the differential.

This is exactly how it sounds if you can't watch the video... The "clunking" is only at low RPM's while decelerating. No clunking while in neutral.

Car: 2002 AP1 with AP2 diff, 4.77 final drive, exedy clutch, comptech flywheel.

Originally Posted by Sev
Going from:
50------------------------------------------------------0

Wheeerrrrrrrrreeeeee------------------------clunck clunck
Old 05-08-2009, 07:37 PM
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up for opinions
Old 05-08-2009, 07:39 PM
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I've heard that sound a couple times. One was classic diff failure...the other was the tranny (bad secondary shaft bearing)
Old 05-11-2009, 10:45 AM
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sounds just like my 2nd diff when the ring gear was fractured.
i have a used diff with 35k on it let me know if you need one.
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