Rear end noise
Posted 22 August 2012 - 10:11 PM
Posted 23 August 2012 - 07:46 AM
Also how many mile were on the dif? Did you open it up before you put it in? What fluid are you using?
I have the same dif in my 280zx and it had about 100k miles on it ( front diff probably a lot less) I opneed it and there was some sparkle to the old oil but nothing major. Filled it up with some redline and it was fine when I started driving, but after about 10k miles its making a rattling noise WHEN WARM. When it's cold it perfectly fine.
We race from 120MPH rolls...
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Posted 23 August 2012 - 10:11 AM
Posted 23 August 2012 - 12:17 PM
Agreed, driveshaft and half-shaft fasteners would be the first thing to check.
Same thing happened to me, was my driveshaft bolts. I bet you it is in your case too.
Posted 23 August 2012 - 02:43 PM
The half-shafts have no play to them. I give them a good tug and they feel solid. I went to "tug" the driveshaft and noticed a bit of play. Is that normal?
I was thinking that it may be a wheel bearing as well, seeing that the grinding noise only happens when I have let go of the throttle and am coasting. Any ideas?
Posted 23 August 2012 - 03:30 PM
Posted 27 August 2012 - 04:14 PM
Posted 27 August 2012 - 05:47 PM
Posted 13 September 2012 - 05:34 AM
Well, figured out one of the u-joints on the driveshaft has some trouble spinning freely. Could this cause the grinding noise??
By now, you would have replaced both universals on the drive shaft. So, still have the noise?
Severna Park, Md
Posted 18 September 2012 - 01:31 AM
Posted 18 September 2012 - 03:08 AM
Yeah. Figured out it was the front pinion bearing in the differential. Have yet to get it fixed. Any idea at how much I'm looking at?
Sorry, can't offer any advice labor costs, as I usually do my own wrenching. I have a noise back there as well. So, I'll be visiting the area too.
Severna Park, Md
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