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Discussion Starter #1
I previously had a problem with the diff. I stripped all the teeth off the pinion and the crownwheel was wrecked.

I put a new crownwheel and pinion in, sealed it up and fitted it. Since then I have had a weird clonking noise when turning (it is a really tight diff - it skips at slow speed, but is clonking at medium speeds when turning left or right.)

I took it back out and got a gearbox and diff specialist to have a look - he took the nismo unit apart and it was in perfect order.

So.... Has anybody experienced this? Any ideas what the problem is?

Thanks
 

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Nothing wrong with it, Aftermarket LSD's do this, if it did'nt do this before oil was changed try a different oil
 

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Discussion Starter #4 (Edited)
Yeah I'm happy with it skipping a low speed - I had a welded diff on my last car, so am used to it.

After rebuilding it I put ep90 in to help protect the crownwheel.

The guy who rebuilt it after me has used a lighter oil that was recommended on auto data. Not sure what weight it was

It didn't clonk previously
 

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whats the diff bushions like in good nick ,and whats the condition of the rear subframe bushions ,clunky noise in mine too its locked solid
 

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Could very well be just the lighter oil to be honest, changing the oil is the easiest and by far cheaper option to start with IMO
 

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Discussion Starter #8
The guy who looked at the Nismo unit thought this, that's why I changed from ep90 to a lighter oil, but it didn't make a difference
 

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Discussion Starter #10
No mate I really appreciate all the help and suggestions - mechanics isn't my strong point and my wallet is pretty weak, but I try to do as much work as I can to keep costs low.
 

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No mate I really appreciate all the help and suggestions - mechanics isn't my strong point and my wallet is pretty weak, but I try to do as much work as I can to keep costs low.
Possible it could just be a seriously tight diff after been refurbed aswell.
 
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