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So robbo following that train of thought suspect transfer case fluid used in transmission?
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Couldn't remember name of oil in the wee hrs this morning.
castrol Transmac Z,
last bottle purchased the colour is now a brown.
but make sure that it's still listed as the optional upgrade.
it was listed for my GTR case as optional, and it was fine in that.
that never went slow in the bush, lol
It used to cover "Nissan Matic A fluid" from memory,
but up to letter D now thats why I say check the listings and cross reference etc
If it were over filled, think some one had parked it on a hill to do that.
I'm not that into off rd, but it may of been a trick trying to compensate for extreme angles and slower kph speeds etc.
normal driving would then not allow oil to behave as it should.
but thats only a guess.
or simply done thinking they were adding extra protection, or trying to hide that noise, ouch.
Just change the oil out and see what happens.
If it fixes it , ya have done alot of jobs that won't need doing again for a while.
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Hi Dave just looking at your GoPro vision on my crappy screen,
Do you think there is enough slip on the yoke if it has one,
also whats to the right of the tail shaft it seems imo to move
also check at the 1.08 mark, could just be a bush on the way out.
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To the right is the transmission and sensor plug...
I'll look into yoke but have new news
the noise now persists in park and neutral and seems to somewhere in or above my sub tank and only at that rev range still?
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There has been no difference until you drained the excess ATF from transfer case, correct?.
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Maybe - temperature angle of truck fuel loads driven angry or not etc....
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Humm if the noise is there in park and neutral !.
case doesn't turn in anger until you either roll or move in gear.
so thinking about the oil , someone has simply overfilled case etc,
but the problem is much further forward.
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The thing is absolutely a noise or even the noise above sub tank?
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yeah listening to the noise on Y-tube
think you will find the noise is simply traveling and not where ya think it is.
nothing above sub tank but floor pan.
the transfer case can't,wont make a single sound until you either drive the car under power or roll in angle gear.
over the net it sounds like bearing chatter, a worn out bearing.
looks like ya may have to bite the bullet and get some paid for advise & or R&R something.
guessing, if your hearing it in park and neutral, tranny input shaft area.
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Yep cheers Robo, I didn't think there'd be anything above sub so given the genesis of this issue and all the steps take to remediate I figured it had to be a bearing and now you've said it I just had a face palm moment and went duh!it has to be a moving part. If it happens when transmission disengaged and vehicle stationary the only moving parts could be from engine to transmission. It's definitely not in the engine bay. Given this all started as a suspected transmission issue and those points it must be where engine meets transmission which is where my fluid leak appears to be coming from - in short of course it's the bloody bearings at the input - if it's not I'm giving up!
