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Translucidus Profile
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
Re: *Solved* T31 Axle Splines causing clicking noise.


Well - the fix didn't last long; the click on deceleration is back and getting more pronounced.

It's also interesting to notice how the transmission/engine seems to have a "Soft off" action ie when accelerator pedal is released the revs drop in a staged manner most times and the click is not then apparent - only noticeable at lower speeds and small throttle openings before release.

In my last post I said the mechanic greased the wheel spline without any disassembly. I can't see how this is possible. I also wonder if the hub nut was released, wheel & Hub removed and spline greased and then re-assembled.

I recently jacked the front left wheel off the ground and checked a few things out. The wheel is very solid on the car ie no in/out wobble when pulling/pushing wheel. However when rotating wheel back & forward there is a bit of play in the axle/transmission that produces what sounds like the click; sound like it's coming from the region where the axle meets the transmission.

Maybe something here explains why he "Fix" lasted only a few weeks.

I'll be taking car back to nissan very soon for further remedy.

Last edited by Translucidus, 26/Jul/2011, 11:18 pm


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2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

15/Jul/2011, 7:15 pm Link to this post Send Email PM   Send Private Message
 
Translucidus Profile
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
Re: *Solved* T31 Axle Splines causing clicking noise.


Well, went to a local Nissan Dealer today (booked in) and went for a test drive - click sound heard. Comment was "Lots of models are needing hub nuts re-tensioned". ie back off hub nut, retighten, problem fixed. There is NO grease in the Hub/Drive-shaft spline (as you would expect for a very firm/tight interface). Begs the question - why did the first dealer say the splines were regreased??? and not just report re-tightening.

Car taken into workshop for axle nuts to be re-tensioned. The sound is now louder which leads me to believe that something in that area is faulty and has been disturbed but that problem not corrected.

It's interesting that the workshop manual says "ANY noise from Hub or Axle etc - REPLACE AXLE AND HUB". Comment was that this has never been necessary as they are very durable items.

As it was lifted off the wheels in workshop, I'm wondering if it is something else such as a ball joint or loose bolt or dodgy engine mount.

Booked in for a whole day investigation.

Last edited by Translucidus, 21/Jul/2011, 5:20 pm


---
2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

21/Jul/2011, 3:45 pm Link to this post Send Email PM   Send Private Message
 
Translucidus Profile
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
Re: *Solved* T31 Axle Splines causing clicking noise.


Further to the above - I noticed I could reproduce the click by having the car stationary and in Drive let it "settle" for about 5 seconds then move to Neutral. On shifting to neutral and the power (at idle) releasing from the drive-train the click happens.

SO - throwing OH&S to the wind, I asked the wife to sit in the drivers seat, have foot on brake pedal hard and repeat the above shift from Drive to neutral whilst I crawled under and investigated.

I appreciated the SUICIDAL nature of this endeavor and so Chocked the wheels, had the park brake on and most importantly ensured the wife was happy with me, our marriage and the universe before proceeding!!!

I noticed the click was louder under the car and discovered that there seemed to be NO movement or related vibration from the axle/hub/splines connection.

I noticed that the engine/gearbox moves quite a lot on the mounts during this shift and that the rear tail-shaft needs to accommodate quite a movement as does the inner CV Joints.

The click and associated vibration (felt by holding different parts) seemed to come from the inner left CV joint or the axle spline at the gearbox as the engine flexed on the mounts.

Engine off I grabbed left then right axle/CV assemblies and found both side had a very slight amount of "Play" in perpendicular directions to the axis of the shafts (ie front/back or up/down not side to side).

Might be a normal sound after all considering the amount the engine etc moves as the power comes on and off. Or perhaps it is moving too much and causing the problem.

I seriously doubt if the Hub/Axle splines are greased at factory or by service here. They would be a dry interference fit like threads on bolts. Wonder why service reps tell us this rubbish about the work done. I imagine the inner axle splines are a sliding arrangement where they enter the transaxle/gearbox and this spline would be lubricated by gearbox oil. Looking at the service manual the only greased components identified are the actual CV joints!!!

I'm no expert, but I would say the service mechanics do one of three things:
After excluding faulty engine mounts and putting a spanner over all related nuts and bolts
- Loosen hub nut then tighten to specs (takes <20 minutes).
- Disassembles front suspension and re-greases CV joints (few hours)
- Replaces Axle/Hub or Axle/Gearbox components or CV Joints (you'd know about this one)

Might take it to Nisscare for an independent evaluation.

Any ideas or suggestions or comments would be most welcome here at this confusing stage --Log in or sign up to see linked image content-- .


Last edited by Translucidus, 26/Jul/2011, 11:20 pm


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2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

23/Jul/2011, 3:27 pm Link to this post Send Email PM   Send Private Message
 
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
Re: *Solved* T31 Axle Splines causing clicking noise.


Here's an update:
Went to Nisscare for advice only. Nisscare said the noise seemed to be coming from front diff/cvt assembly and not the splines. They didn't consider it worth the danger of disassembling to investigate further and advised it was probably normal diff backlash now the cvt has done some kms. Strange given other FWD cars eg wife's current auto Mitsi. Lancer, is still much tighter and makes no noises even though it has done 55,000Kms without a replacement box at 30,000kms.

Local dealer who originally thought it worth disassembling to investigate now says that noise was heard but Nothing to report to Nissan Techline!!!!!!!!!! No action warranted!!!!!!!!

Maybe the X-Trail is just a rattly car - still drives great though!!!

Grrrrrrrrrrrr

ps I would say the title of this subject is not quite right as problem is not solved and greasing the splines is not actually ever done (according to my dealers mechanic - they are a dry fit from new). A resolution would be nice!!!!!!!


Last edited by Translucidus, 9/Aug/2011, 2:51 pm


---
2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

9/Aug/2011, 2:38 pm Link to this post Send Email PM   Send Private Message
 
cooch t31 Profile
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Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966
Re:


I would still raise the point a few weeks down the track and eventualy make them dissasemble the front end to find if there is a problem.
I never heard a single noise from my splines/diff in the time I had my X Trail.

Its not a major job to remove and investigate a sound from the splines, a couple of hours tops.

---
Tony X-891c

HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1

10/Aug/2011, 7:10 am Link to this post Send Private Message
 
Translucidus Profile
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
Re: T31 Axle Splines causing clicking noise.


Thanks couch - I needed some assurance. The click has only appeared relatively recently and the dealer's response seemed shonky.

I'll take it up with the dealer who replaced the CVT; up to now they've been very responsive but are quite a drive away; hence the local dealer up to now.

---
2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

10/Aug/2011, 5:26 pm Link to this post Send Email PM   Send Private Message
 
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
Re: T31 Axle Splines causing clicking noise.


Well - after visiting my Favorite Dealer the other day for an inspection of the clicking/clunking and having the head mechanic say - "Yes there's a problem; it's usually always splines" I returned and the dealer spent an hour today greasing Wheel hub/Axle splines with high temp grease.

This seems to be the working solution even though they are fitted dry at the factory and the workshop manual says "No Grease" + Any noise in this area "Replace axles & hubs".

Unfortunately it made no difference to my car and so my X-Trail is booked in for a sleepover in a few days time, whilst I drive around in a loan car.

Terrific customer focus and I really am hoping the cause is found and corrected.

Have a funny feeling it's the CVT again but who knows.



Last edited by Translucidus, 22/Sep/2011, 7:49 pm


---
2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

22/Sep/2011, 4:49 pm Link to this post Send Email PM   Send Private Message
 
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Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
Re: T31 Axle Splines causing clicking noise.


After leaving car at the dealer for the day I was informed that they had inspected the situation and discovered the click/clunk was coming from inside the transmission.

They also checked a T31 that had done 90,000kms and a brand new 2011 model.

These other two also had the same noises but of a different pitch and volume but the same sound nevertheless.

Verdict was the sound is normal to the operation of the vehicle and could be a valve operating or some backlash of sorts.

I drove my sons Mitsubishi Lancer which has the same CVT and it also has the same noise (quieter, but the same).

I think I'll turn up my Sound system (fixes all sorts of mechanical problems).

Big thank-you to Lakeside Nissan for their excellent customer focus and genuine interest in solving this problem - awesome dealer and why I drive past three others and some 40kms to have them work on my car.





---
2007 X-Trail T31 ST-L

Xy going vertical at Bendleby Station . . .

8/Oct/2011, 10:02 pm Link to this post Send Email PM   Send Private Message
 
brettrandall Profile
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Date Registered: 01-2010
TOTAL POSTS: 27
Re: T31 Axle Splines causing clicking noise.


So glad I found this post... Have been having the clicking noise lately with my 2009 T31 ST and has been getting worse (not quite constant yet, but often enough).

Took it into Blacktown Nissan and without even lifting it up they said the axle spline needs greasing and it will be $150 please. Insisting that nowhere in the service manual does it say it needs greasing, they wouldn't budge and suggested I take it to where I normally get it serviced (Ultra Tune) for them to look at. Only the second time in my life I've been to Blacktown Nissan service centre and unimpressed both times. Never again... Hopefully Hornsby, Parra or Ryde are better...

Anyway took it to Ultra Tune Castle Hill and they were great... Took it for a drive, lifted it up for about half an hour turning and poking things. As with everyone here, they are basically saying the passenger side CV shaft needs replacing. Min $330 for P&L but probably more since 4WD. The normal guy (George) is on holidays, back next week to get me specifics. I don't want to have to pay a cent as its only at 40k but apparently he used to work at Nissan and can give me the right advice.

If they can't help, I'll be off to another Nissan dealer to help figure it out.

Brett.
11/Apr/2012, 4:40 pm Link to this post Send Email PM   Send Private Message
 
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Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966
Re:


Replacing a CVT, CV's, engine or anything else for that matter isn't listed in the service manual either.
If your car is still under warranty they should have had a look and booked you in for a fix, at no cost to you.

I would contact Nissan customer service and tell them your story, you might be entitled to a refund.

If your Xy is out of warranty, disregard all the above.

---
Tony X-891c

HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1

12/Apr/2012, 7:41 am Link to this post Send Private Message
 



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