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i dun think u would of damaged the diff from jacking it up there.

I jack from their whenever im doing work on the rear end.

Besdies i think thats where you meant to jack it.. as i cant recall anywhere else u can...

Unless you got a hoist.

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seems to be more noticeable after jacking it up

or do gtr diffs just sound like this :worship:

Oh BTW Orion, get a Rear Wheel Alignment done.

Cuz you have change the rear suspension, its put the geometry out of whack and needs to be done cuz its 4WD.

But I don't think that will help with the whirring noise. Or it might...

But when you jacked it up at the diff, I don't think you would have crushed or bent anything in the diff...

Anyway get ya mechanic to check it out.

My diff made a similar noise when rolling and while driving. Sounded like a Wwhhoooo noise. So I got it reconditioned.

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I still got the receipt for my rear diff

About $1380, thats recondition, installed ready to drive and it was not as much as I thought too.

But get it check out 1st.

I did it at Le Mans Automotive in Templestowe.

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You would of snapped a cooling fin before doing internal damage to the diff..

Not form the jacking.

Sure your not just Paranoid?.. Happens to me too..

Whirring diffs seem to be common threads in this section.

Just seems like their noisy from factory.

Best advise is change the diff oil.. see the condition its in and put a higher quality product in. See how that goes..

People jump to recondition diffs/'boxes too quicky.

For that price you may aswell buy an after market LSD.

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ill have to get them to check the diff oil then on my next service

but i just had a major major service and replaced all fluids, and if anything the diff whirr is louder!

what diff oil did u use???

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