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WOOHOO finaly found out where noise is coming from.

Tech Talk for Nissan owners.

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Posts: 138
Joined: Fri Jul 01, 2005 7:54 pm
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WOOHOO finaly found out where noise is coming from.

Post by gqroo »

Grinding noise i thought was coming from gearbox was actually the rear diff, put the back on jack stands, front against a large immoveable object 4th @ 60kmh :shock: jumped out noise definately diff, took tailshaft out went for a drive to confirm [fwd] Voila no noise, Now would you peoples agree in my thinking this was a pinion or carrier bearing.
thanks ahead :)
Gu 4.5 3''lift,35'',locka Blablabla.........Ohyea and its White!
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Post by Woop »

Check for: Dented pinion mud shield, wheelbearings run dry, wheelbearing outer grease shield maybe has grit trapped in it....

Nick
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Post by gqroo »

thanks Nick il check it out.
Gu 4.5 3''lift,35'',locka Blablabla.........Ohyea and its White!
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Post by ozy1 »

you are saying when you took out the tail shaft and drove it your noise was gone,

id be starting to think your noise is in your tailshaft, maybe one of your unis, even without the tail shaft, id expect it to mkae noise as evrything is still moving whilst drive in fwd
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Post by Ruffy »

ozy1 wrote:you are saying when you took out the tail shaft and drove it your noise was gone,

id be starting to think your noise is in your tailshaft, maybe one of your unis, even without the tail shaft, id expect it to mkae noise as evrything is still moving whilst drive in fwd
Pinion bearing wont necessarily make noise when the tailshaft is out as it has no load on it.
[quote="Uhhohh"]As far as an indecent proposal goes, I'd accept nothing less than $100,000 to tolerate buggery. Any less and it's just not worth the psychological trauma. [/quote]
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Post by gqroo »

Have replaced both unis, it makes the most noise coasting with clutch in any where from 60-110, why do these things always happen in the middle of holidays :bad-words:
Gu 4.5 3''lift,35'',locka Blablabla.........Ohyea and its White!
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Post by rvh96 »

is there any movement in the tailshaft splines
'05 GU Patrol coil cab ST
6" lift
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Post by gqroo »

rvh96 wrote:is there any movement in the tailshaft splines
No theres no movement, im almost certain its either wheel,pinion or carrier bearing.One thing i forgot to mention was when coasting foot on clutch if i applied the handbrake the noise would stop,this maybe loaded the pinion-carrier up enough to stop noise, just a thought. :?
Gu 4.5 3''lift,35'',locka Blablabla.........Ohyea and its White!
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Post by gqroo »

Well i have just flipped my tail shaft and guess what the noise has virtually gone :? please explane
Gu 4.5 3''lift,35'',locka Blablabla.........Ohyea and its White!
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re:noise

Post by Nelso »

Sounds like the front and rear uni's are at different angles and throwing the dynamic balance out.
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Post by gqroo »

Can i leave shaft like this or will it cause problems, i do plan on getting adj arms soon to align properly.
Gu 4.5 3''lift,35'',locka Blablabla.........Ohyea and its White!
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Post by Jimmu »

I am having the exact same problem with my MU.

It would be nice to work out what is is...

I think there is some small play in the spline...

Jimmy
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Joined: Fri Feb 18, 2005 2:21 pm
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Post by gtipps »

I have the same prob with my swb gq
The noise got worse when I replaced a tired 2" lift (with another 2" lift) & put put on 33" MTR's - from 33" ATR's
I dont know which caused what, cos I did them both at the same time, the combined height gain from tyres & the lift was about 30 -35mm, so I was leaning towards an alignment problem
The noise is most prominent with clutch in, or coasting in nuetral around 85 kph, under no load.......?

Had an "expert" take it for a drive & he reckons it's the tyres ?????

With all the shorties out there, someone must have come across this b4 & know what the answer is
cheers
gt
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