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-   -   Rear differential bushing failure (http://www.the370z.com/brakes-suspension/100201-rear-differential-bushing-failure.html)

ValidusVentus 01-31-2015 01:40 PM

Yes, its pretty straightforward. But for people without the tools or technical knowledge who would be bringing it to a shop it can be well worth it to do it all as a package. When I skimmed the replies I missed that you were doing it yourself. My bad.

Masterbeatty 01-31-2015 02:12 PM

I should of upgraded the bushing when I had nissan put in my quaife. The bushing was horrible to get out and since I did the SPL solid bushing it was a pain to put in too. I needed two people and a grade 8 fine thread bolt, a persuader, and a few grade 8 washers. He whiteline should be a breeze. Just make sure the rear bushing is flush before installing the diff as if it's a c_nt hair off the two forward bolts will not go in!

nis350 01-31-2015 03:26 PM

Is the bushing another weak link on our car much like the CSC? :confused:

kenchan 01-31-2015 05:03 PM

Quote:

Originally Posted by nis350 (Post 3098080)
Is the bushing another weak link on our car much like the CSC? :confused:

if you bang gears often, then apparently yes. it was the same way on the 350z/G35C as well...

but ive had my G since 2004... no issue. same or similar 'weak' factory csc.. no issue either.

Masterbeatty 01-31-2015 06:28 PM

Quote:

Originally Posted by nis350 (Post 3098080)
Is the bushing another weak link on our car much like the CSC? :confused:

Yes, if you drive it like a rental car or race it.

Mike 01-31-2015 07:14 PM

could just be fluid venting out of the diff also

Big J 01-31-2015 09:35 PM

The rear and one of the front bushings was a bitch to get off. I'm putting everything back together now but have a question.

I know the top hats go on the top, where do the little rubber circles go? Or do I not reuse them?

YzGyz 01-31-2015 11:23 PM

The two front bushing were a little hard to get out. There were in there tight. I used a big socket and a 16oz hammer at first. The bushing sat there and laffed at me. I then wen tot my gym and grabbed my 20lbs dumbell and gave her one clean wack. I showed it!

As for the rear bushing, it's not bad if you plan and have space. I read as much as I could about it before I did my install. Get the back end as high up as possible, and remove as much of the center part of the OEM bushing out as possible prior to cutting the outside ring. The rubber binds the blade and makes it hard for the blade to cut. I used a bottle jack to push the middle out after I drilled a bunch of holes. It worked beautifully as shown in my videos. It took me a few hours because I was working mostly in the dark (I didn't start untill evening).

I did not use the little rubber disk that was on the bottom of the 2 front OEM bushings.

YzGyz

Big J 01-31-2015 11:27 PM

Thanks for the good info. One more question, on the top of the front bushings where the "top hats" are. Do the top hats go in with the petruding part facing down or up?

YzGyz 02-01-2015 12:31 AM

When I removed the diff, the "hats' had the protruding bump things up, touching the fram of the car. I reinstalled them the same exact way when I put it back together.

YzGyz

Big J 02-01-2015 11:10 AM

Got everything back together. I know the bushing was bad bc there was no fluid at all in it. But the car is still making a clanking sound when I shift.....

YzGyz 02-01-2015 12:04 PM

Does it still shift fine? Anything other than the clunk? Check clutch oil? heck, check all the oil.

Big J 02-01-2015 01:15 PM

No fluid issues. Shifts fine, just a clunk when I gas it. It is not a continuous sound. Just a clunk when I initially hit the gas

YzGyz 02-01-2015 02:00 PM

Humm... maybe it's not the drive train but loose something in suspension? Hard to diagnose from a pc screen.

Big J 02-01-2015 11:02 PM

I am 99% sure it's not suspension related bc I have looked it over way to many times. Chexk out this thread I just made in the repair section.

http://www.the370z.com/nissan-370z-w...ml#post3099039


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