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Strange differential chatter

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Old Oct 16, 2017 | 03:34 PM
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Default Strange differential chatter

Over the weekend took my bro-in-law for a spin. Goosed it once and backed it down - then made a left turn into a parking lot - I was in a lower gear (downshifting) at the time I made the turn-in and I felt/heard this wierd "shudder" that I'm guessing came from the diff. I had changed the fluid maybe a year ago - but I do track it on occasion.

Also on note - after sitting in the garage for a week or so I'll start it and put it into reverse to back out and I'll get a little "bang" out of the back - like the clutches were locked up and just broke loose.

Opinions appreciated - thanks
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Old Oct 16, 2017 | 08:16 PM
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From: Arlington Va Current ride 04 vert, previous vettes: 69 vert, 77 resto mod
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Originally Posted by jjc508520
Over the weekend took my bro-in-law for a spin. Goosed it once and backed it down - then made a left turn into a parking lot - I was in a lower gear (downshifting) at the time I made the turn-in and I felt/heard this wierd "shudder" that I'm guessing came from the diff. I had changed the fluid maybe a year ago - but I do track it on occasion.

Also on note - after sitting in the garage for a week or so I'll start it and put it into reverse to back out and I'll get a little "bang" out of the back - like the clutches were locked up and just broke loose.

Opinions appreciated - thanks
when you goosed it was the active handling enabled? perhaps it was trying to limit the wheel spin?
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