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Keja2810 Profile
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Date Registered: 07-2012
TOTAL POSTS: 19
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Re: Bad vibration under load


Thanks for the input guys,
to reconfirm the vibration cant be felt in the steering, in fact you can let the steering wheel go and the car drives straight and true, while the vibration is trying to shake the car to bits. The tyres are all new and I had the front wheels off yesterday and saw all the wheel balancing weights were still present.
I guess I will need to book it in somewhere to get looked over by a professional now.
Cheers.

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Kent, keja2810
2004 ST T30
29/Aug/2014, 7:48 am Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re:


Please inspect all wheels hubs and specially the centre hub nut and make sure that none of them worked itself loose which could result in the hub separating from the axle!

This problem happens when a damaged wheel bearing is not replaced in time and it damages the wheel hub causing it to separate from the axle.

A very serious problem that should be looked at urgently.

Check THIS thread for more details and what to look for.

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29/Aug/2014, 9:39 am Link to this post Send Private Message MSN Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6003
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Re: Bad vibration under load


Does the vibration happen when coasting downhill in neutral with the engine idling or only when powering along in gear with the engine ?

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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29/Aug/2014, 5:27 pm Link to this post Send Email PM   Send Private Message Blog
 
Keja2810 Profile
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Date Registered: 07-2012
TOTAL POSTS: 19
Reply | QUOTE
Re: Bad vibration under load


Hi guys, thanks for the great input.

thanks Jalal, will check all the hubs again today to be sure. Next Im going to drop the rear end of the tail shaft to check the centre bearing for play, if thats OK then my biggest fear now is an issue in the transfer case.

Hi Kev, Coasting down hill in neutral is no problem, no vibration, you can even rev the engine while coasting and no vibration. Even when the transmission is engaged in drive when you are on flat road and back of the accelerator and "coast in gear" there is no vibration, it comes on with applying power.

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Kent, keja2810
2004 ST T30
30/Aug/2014, 8:14 am Link to this post Send Email PM   Send Private Message Blog
 
Keja2810 Profile
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Date Registered: 07-2012
TOTAL POSTS: 19
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Re: Bad vibration under load


Okay, so I have the rear of the Xtrail up on stands, and before dropping the rear tail shaft I've tried to move the front tail shaft up and down to test the centre bearing and I can move the tail shaft inside the centre bearing by about 10mm up, down or sideways. so I guess thats not normal and this should be replaced next?

Thoughts?

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Kent, keja2810
2004 ST T30
30/Aug/2014, 1:23 pm Link to this post Send Email PM   Send Private Message Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6003
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Re: Bad vibration under load


Have both inner CV joints checked

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
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30/Aug/2014, 5:13 pm Link to this post Send Email PM   Send Private Message Blog
 
Keja2810 Profile
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Date Registered: 07-2012
TOTAL POSTS: 19
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Re: Bad vibration under load


Hi Kev, do you mean the universal joints in the tail shafts or something else? Im not sure what the inner CV joints are, sorry.
Kent.

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Kent, keja2810
2004 ST T30
31/Aug/2014, 2:25 pm Link to this post Send Email PM   Send Private Message Blog
 
Keja2810 Profile
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Date Registered: 07-2012
TOTAL POSTS: 19
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Re: Bad vibration under load


Guys,
finally got the tail shaft out, it was a hell of a job as the bolts had the heads rounded on them and the nuts had been loctited. After much cursing, breaking 2 x SnapOn socket drives, I ended up with a trusty 14mm ring spanner, and a pair of Vice grips along with the full force of my work-boot to finally loosen them all.
Anyway once I had dropped it out it was also evident that both universal joints were gone too, as the were both quite lumpy when you tried to rotate them.

It was this point I noticed the universal joints are installed from factory as permanent and non replaceable.
A quick call to Nissan to check and they said thats the truth, furthermore a centre bearing can not be bought as a spare, so their only option was a $1750.00 full Tail shaft replacement.

My options now limited I called around a number of drive shaft reconditioning companies, and I've ended up dropping the tailshaft into Gibson Drive shafts in Edgeworth near Newcastle. When I called them I had the most sensible conversation about the problem, so I decided to give them a shot at it. The will cut both ends off and replace them with aftermarket parts with new uni joints, (that will be able to be changed in the future if needed), fit a new centre bearing and rubber support plus balance the tail shaft when their done. The quoted max price $750, however if they can easily remove the centre bearing then it will be around $550. I hope this fixes the bad vibration finally, I will get the tailshaft back on Thursday. Will keep you posted.


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Kent, keja2810
2004 ST T30
1/Sep/2014, 4:40 pm Link to this post Send Email PM   Send Private Message Blog
 
davess Profile
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Date Registered: 07-2012
Location: S/E Melbourne
TOTAL POSTS: 28
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Re: Bad vibration under load


I'll chip in on this one, I have nearly exactly the same issue at the moment. In 2wd horrible shudder/vibration on acceleration. In AUTO the vibration is noticeably reduced, did the balance and alignment to eliminate that and put the box up on ramps on the weekend to go over the underside with a pry bar. My issue seems to be the left front inner cv joint it has substantial slop in it, you can hear it thumping when you twist the tail shaft or the right side shaft. So I have a shiny new reco shaft next to my desk to install and we'll see what happens.

Also... while I was under there I noticed the rear control arm bushes are looking cracked and perished so I guess that's next on the list...

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Member number X-2545
2002 X-trail ST 5sp, s/m flywheel, factory nudge bar, 14" led light bar, track mount roof bars and tow bar.
1/Sep/2014, 4:43 pm Link to this post Send Email PM   Send Private Message Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6003
Reply | QUOTE
Re: Bad vibration under load


quote:

Keja2810 wrote:

Hi Kev, do you mean the universal joints in the tail shafts or something else? Im not sure what the inner CV joints are, sorry.
Kent.



The inner CV joints are where the front driveshafts exit from the transmission...one on the left side, one on the right side.
The CV joints next to the hub are the outer CV joints.

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
4/Sep/2014, 4:51 pm Link to this post Send Email PM   Send Private Message Blog
 


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