Subject	Mine sounded similar to your description, but all speeds
Posted by	ThisIsSparTTa on June 08, 2016 at 10:49 AM
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In Reply To	My Fairlady has gotten really loud lately... posted by ichirou on June 01, 2016 at 04:51 PM
Message	The differential input shaft bearing went for whatever reason (it had new Redline 75W-90). Anyways, even though you say its only happening at speed, I'd jack up the rear of the car and try spinning the wheels and the driveshaft by hand. I ultimately isolated it as not a wheel bearing (more common) by disconnecting both half shafts, and then the drive shaft, even though I had a one piece. Fair warning, the diff isn't terrible to get out with something like a tranny jack, but I found it next to impossible to get it positioned correctly, by myself, going back in. Definitely would recommend a 2nd set of hands at least for the install. Here's what mine sounded like: https://www.youtube.com/watch?v=DxqOG-QfYR0 https://www.youtube.com/watch?v=dAX4PTlOXnU
Follow Ups	My Fairlady has gotten really loud lately... - ichirou 16:51:18 06/01/16 Most likely candidates to check are: - Goldchocobo 17:20:27 06/01/16 Re: Most likely candidates to check are: - ichirou 17:32:00 06/01/16 diff fluid, DS center bearing, driveshaft bearings, tires - Bernie (NoVA) 09:26:40 06/03/16 Mine sounded similar to your description, but all speeds - ThisIsSparTTa 10:49:12 06/08/16
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