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Alex70 Profile
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X-TRAIL ENTHUSIAST
 


Date Registered: 01-2008
Location: North Rocks
TOTAL POSTS: 209
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Re: HUB Separating from Axle


Just to add to the knowledge base on this, when I bought my exy 3 years ago it had 73000km. Straight away I noticed a faint rubbing/gringing noise once per wheel revolution (more pronounced going around corners). Sounded to me like a bearing going. I took it to the Nissan dealer who could not hear anything (I think they are deaf if there is a warantee issue). I went back in a couple of months saying ti was worse. Eventually they could hear it when I drove with them and pointed it out. They said it was a dry grease seal and they had moistened it. Sounded like rubbish to me. I drove home and the problem was still there. The third time I took it to them they replaced the bearing and the noise went.

This all took about 6 months. There were no problems with the hub (that they told me anyway) so maybe I just cought it very early. I am known for being able to hear all sorts of noises.

The thing that worries me after reading all of this thread is that the dealer's attitude was that even if it is the bearing I should drive it until it makes a complete racket because as it wears it cannot hurt anything and is not becomming dangerous.

If you want to check, I found the noise most noticeable doing about 40kph and neither accelerating or breaking.

---
Alex X-740(c)
2006 Prado Petrol Automatic (sorry, but the Xtrail had to go as it gave me a taste to travel where it cannot go)
18/Mar/2008, 12:19 pm Link to this post Send Email PM   Send Private Message
 
Lloyden Profile
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Date Registered: 01-2009
Location: Norway
TOTAL POSTS: 4
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Re: HUB Separating from Axle


Hello!


Seems like most of you have let a garage/dealer fix your Wheel Bearing problems.


Anyway, when I bought my X-Trail it had done 90 000km.

The previous owner said that the right side wheel bearing was changed once. And that
he had noticed something from the left side when towing his caravan lately.

Whe bargained on a deal, excluding cost of wheel bearing change and so on and so fort.

I didn't really notice anything with the left front wheel bearing myself, so didn't do anything
about it just yet. As time went, it suddenly made noise.
And with somewhat gentle noise for about a week and a half, it became a lot worse.

I bought wheel bearing and a hub from my Nissan dealer and went on with the repairs
myself.

After I had pressed the Hub out from the Knuckle, and gotten the inner race closest
to the wheel side of the hub off the Hub itself, I took a vernier micrometer and checked the
size of the Hub part.

The Wheel side of the Hub was 43,52mm, and the opposite side was 43,46mm
When it comes to bearings, this is a fatal diffrence.

I checked over the wheel bearing, trying to turn it, thinking it had seized and then spun
the inner race. The wheel bearing felt like a brand new bearing. It didn't turn
without effort like a used bearing. It had the resistance a brand new bearing has.

I tryed on both the inner races. And both of them were loose on the outer part of the
Hub, and both where Thight on the inner part of the Hub.

The New Hub was Ø43,52 all over. The bearing was tight, and I pressed everything
togheter with about 4 tons of pressure, as the FSM states.
The nut have come loose once after this, but after a thigthening it is all good.

This was around 98-100 000km.

Now it has gone 120 000 +km.
And of course the right side have startetd to act up. I'm doing that side myself as well.
Getting the parts for it monday. Picking up both the bearing and hub incase it is
suffering the same thing.

Both the Rear's have also been loose on the stubaxle nuts. I'm changing them with some
used Complete knuckles from a 2004 model. Better then nothing I guess.



My conclusion is that maybe the hub or the bearing have been a bad batch.
Like only 1 of the 2 inner races might have held the hole weight of the car.
When the 1 side of the bearing finally starts to wear enough for the second Race
to come in contact with the hub, there is so much play that something grinds.

I still have the parts from the first job. And had a look at them again now that the other
side started to act up.
Can't get my head around how the hub is smaller on one half when the bearing is
in mint condition. If the bearing had seized or had some faulty balls or the likes, I
would have settled with weak design.

Anyone with anymore input feel free to chime in.

---
2001 X-Trail Elegance 2,2Di
2000 Primera P11-144 1,8
26/Jan/2009, 8:32 am 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
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Re: HUB Separating from Axle


Lloyden
 
Nice to see that I'm not the only one that likes doing things like this and getting dirty. Mind you not on my T31 yet.
That is a big discrepancy between both sides.
Was it the type with a hub nut and lock washer?

The first time you tackle anything like bearing replacement is a bit daunting, but when you do it you can't justify spending hundreds of dollars at the mechanics for what really is a 1-1.5hr hour job each side.

---
Tony X-891c

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

26/Jan/2009, 8:43 am Link to this post Send Private Message
 
Lloyden Profile
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Date Registered: 01-2009
Location: Norway
TOTAL POSTS: 4
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Re: HUB Separating from Axle


Nope, no lockin washer or crown head on any of the 4 wheels.

Just a cotter pin out at the stubaxle tip, and about 10+mm from the cotter pin
the nut sits against the bearing.

It is actually the same on my Primera. (P11-144)
But this one have a 36mm Nut head compared to the 32mm nut head on the X-Trail
Meaning a beefier stubaxle, and prob. better bearings.

Considering the X-Trail beeing bigger and heavier, it shouldn't have smaller size bearing. emoticon

---
2001 X-Trail Elegance 2,2Di
2000 Primera P11-144 1,8
26/Jan/2009, 8:51 am Link to this post Send Email PM   Send Private Message
 
Dadd Profile
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Date Registered: 06-2008
Location: New South Wales
TOTAL POSTS: 182
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Re: HUB Separating from Axle


I haven't had a chance to look at the actual car as yet but checking the T31 service manual shows the hub set up to be very similar to the T30 - with the exception that the hub and bearing are shown as a single unit rather than a hub with replaceable bearing.
I assume if you require a new bearing you buy a hub unit with bearing in place.
The locking method for the retaining nut ( or lack of locking method) seems the same as the T30. The retaining nut is not particularly tight either - tightening torque about 90 ft lb.

---
Glenn X-889
2008 ST Manual
26/Jan/2009, 11:23 am Link to this post Send Email PM   Send Private Message ICQ AIM
 
Lloyden Profile
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Date Registered: 01-2009
Location: Norway
TOTAL POSTS: 4
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Re: HUB Separating from Axle


Just finished replacing the hub and bearing assembly on the front right side.


The story is the same here. Though the hub was a little more scorched by the bearing
on this side, it was the same with the bearing.
The bearing runs free and seems to be in mint condition, but still it is completely loose
on the outer part of the hub.

The side of the bearing I presume is knackered, came apart just like the first one,
so I can't really tell how bad it was.

It did notice some play in that side of the bearing when I checked it after taking the
knuckle off the car. I guess that side was pretty worn anyways.

Still makes me belive that the bearing only supports the car on 1 of the inner races,
and not evenly on both because of a production mishap on the size.

The new parts were just like the first ones I replaced.
The bearing is about 2 hundred of a mm smaller then the hub. Both inner races were
the same, and the hole hub shaft was also the same.

The Hub were 43,51mm, and the bearing inner race were 43,49.
Either there were some dirt on the hub first time I checked it, or I just remembered wrong
when I wrote down 43,52. emoticon

---
2001 X-Trail Elegance 2,2Di
2000 Primera P11-144 1,8
26/Jan/2009, 10:45 pm Link to this post Send Email PM   Send Private Message
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5977
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Re: HUB Separating from Axle


I had to change tyres today (puncture by rivet) so I took a pic of the rear wheel hub nut and split pin while the wheel was off to let everyone see what the fuss is about.
Image
Note the space between the hub nut and the split pin.

---
Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
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1/Mar/2009, 10:06 pm Link to this post Send Email PM   Send Private Message Blog
 
ajc082 Profile
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Date Registered: 11-2009
TOTAL POSTS: 6
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Re: HUB Separating from Axle


I read this thread with interest. I have seen a few vehicles namely transit van, where the nut on the driveshaft is just done up FT, and has no locking pin or nut. Its not abnormal, I find having a split pin that far from the nut somewhat strange like they just forgot to fit something........ You would think without a locking nut it would have a reverse thread.

As most have said, the problem is more than likely caused by wheel bearing failure, which is not abnormal for them to be changed at 100k major service on some vehicles, which considering the xtrails "offroad credentials" isn't such a bad thing to have fresh grease and bearings.

 
26/Nov/2009, 5:46 pm Link to this post Send Email PM   Send Private Message
 
ajc082 Profile
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Date Registered: 11-2009
TOTAL POSTS: 6
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Re: HUB Separating from Axle


Following up on my past post, I took a picture of the rear driveshaft nut on a Ford G6E Turbo, unfortunately I can't upload it but it has a single nut on the driveshaft however its a self locking type with no retaining clips. (Which is what i was talking about in my original post above)

That nut pic posted by revhead is grossly inadaquete without some form of locking being it nyloc, castle nut or something.

if someone is able to host the pic form me I can email it to you.

Cheers

Andrew
27/Nov/2009, 4:59 pm Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: HUB Separating from Axle


Andrew,

Why can't you upload the pic on PhotoBucket? Anyway, email me the pic to the admin mailbox and I'll upload it for you this time.

---

27/Nov/2009, 5:03 pm Link to this post Send Private Message MSN Blog
 


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