2003-2009 Nissan 350Z

wheel spin and violent banging sound

Old 06-06-2019, 01:45 PM
Chuck Odum
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Default wheel spin and violent banging sound

In slippery conditions, if I induce a lot of wheel spin, I get this nasty banging sound and feel from the rear end. I doubt it is wheel hop because it did it on wet grass while trying to sling the rear around-and I doubt seriously wet grass could cause wheel hop. Any ideas?
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Old 06-06-2019, 02:22 PM
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Rear diff bushing
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Old 06-06-2019, 05:03 PM
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Never figured out which trim level you had but if your car is equipped with VDC (or even TCS to some degree), there’s a slight possibility that VDC is cycling on/off trying to catch and level the car.

But yes, it could also be mechanical in nature (as Trav pointed out)
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Old 06-07-2019, 05:54 AM
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Z's are notorious for this. Assuming your shocks are in good condition, you have to go through these and narrow it down:

Subframe bushings
Diff bushings
Diff bolt (Z's have 1 bolt holding the diff to the rear subframe. Sometimes this shears/gets destroyed. I believe the FX35 is the same design but the bolt is noticeably bigger/stronger.

I'd install a diff brace as well. I have a Bell Raceworks unit and am very happy with it.

Apparently the one way to nuke said problem out of orbit is with solid bushings in the back (subframe and diff). I'll be taking out my Whitelines and doing that next year as I also still have some axle hop (that's what your problem is called btw) when I launch in first gear.
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Old 06-07-2019, 12:01 PM
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Feel bad for that grass
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Old 06-09-2019, 09:51 PM
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Came in here thinking OP wrecked his car in a parking lot drifting accident! -_-
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