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Removing staked collar nut? E39



 
 
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  #1  
Old March 16th 06, 02:33 PM posted to alt.autos.bmw
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Default Removing staked collar nut? E39


How exactly does one remove and install a staked collar nut? It looks
like it would need a special socket since on my 99 528i it needs
torqued down to 300Nm.

Second, if I remove it do I need a new one to replace it with?

Last, what's the best place to get self-locking nuts for the read-end
components? I'll be changing my rear wheel bearings once I know I can
correctly remove/install the collar nut.

Thanks,

Scott

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  #2  
Old March 16th 06, 03:39 PM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

Scott wrote:
> How exactly does one remove and install a staked collar nut? It looks
> like it would need a special socket since on my 99 528i it needs
> torqued down to 300Nm.


Use a punch to know the stake back out.. I assume it's staked into a
slot on the threads it is screwed on to?

> Second, if I remove it do I need a new one to replace it with?


Best practices says yes - although I have known them to be reused. Trick
is if the staked section ends up in the same spot as it was before - it
may be too weak to be staked back into the slot.

> Last, what's the best place to get self-locking nuts for the read-end
> components? I'll be changing my rear wheel bearings once I know I can
> correctly remove/install the collar nut.


Perhaps a dealer?

> Thanks,
> Scott


  #3  
Old March 16th 06, 03:56 PM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

In article .com>,
Scott > wrote:
> How exactly does one remove and install a staked collar nut? It looks
> like it would need a special socket since on my 99 528i it needs
> torqued down to 300Nm.


You just unscrew it.

> Second, if I remove it do I need a new one to replace it with?


Yes.

> Last, what's the best place to get self-locking nuts for the read-end
> components? I'll be changing my rear wheel bearings once I know I can
> correctly remove/install the collar nut.


Same place as you get the bearings from?

--
*Everyone has a photographic memory. Some don't have film *

Dave Plowman London SW
To e-mail, change noise into sound.
  #4  
Old March 16th 06, 04:29 PM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

So this is easier than I think?

I just tap out the stake back and unscrew the collar.

Remove the calipers, abs sensor, and outer swing arm.

Use the bearing tool to remove the bearing.

Then re-assemble in reverse?

I think I was just thrown off because in the bently service manual
under the re-assembly tightening torques is shows the rear axle shaft
to hub needing 300Nm of torque. I don't need to touch that at all do
I?

If that's it, I'll photo document the process and send it in to
BMWtips.com.

Thanks again,

Scott
Basically I'm just sliding out the bearings and sliding new ones right
back in, correct?

This sounds to easy.

  #5  
Old March 17th 06, 02:08 PM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

I'll be interested to see how you get on with this, as I think I need
to do mine soon as well.

The BMW TIS system tells you this:

http://www.randcjones.plus.com/website/RA Replacing Bearing.pdf

The bit that's putting me off a DIY effort is not knowing if the
driveshaft flange is going to come off with half the bearing still
attached (and it it does, how the hell do you get those bits off
again?), and also if the flange needs to be pressed back into the new
bearing?

Where did you get the bearing puller tool from?

  #6  
Old March 17th 06, 02:10 PM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

sorry...duff link.

Try this

http://www.randcjones.plus.com/websi...%20Bearing.pdf

Also, yes, collar nuts are a dealer part and are only about £3

  #7  
Old March 26th 06, 10:23 PM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

Here is the bearing removal and installation tool.
http://www.pelicanparts.com/catalog/...TOOLS1_pg1.htm

I bought the bearings, bolts, and new collar nuts from bavauto.com

I'll be changing the bearings next weekend and I'll be sure to photo
document the whole process.

  #8  
Old March 28th 06, 10:08 AM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

how did you get on mate?

  #9  
Old April 3rd 06, 03:50 AM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

I'm stuck right now. The directions that came with the tool are no
where near where I think they should be.

According to the Bently service manual the axel stub needs to be
pressed out and then pulled back in after the bearings have been
changed.

But, according to the directions with the bearing tool the bearings
need pushed out and then back in. I do not see how that is possible
based on the replacement bearings and the fact the axel stubs still
need to be handled.

I'm looking for more information, I don't want to experiment on my car,
I need to find information showing it done. The bently manual doesn't
show much and explains things extremely basically.

  #10  
Old April 3rd 06, 04:37 AM posted to alt.autos.bmw
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Default Removing staked collar nut? E39

Russ,

Best I could find in any forum is a guy who used a slide hammer to
remove the bearing hub assembly and then tapped the bearing into place
lightly with a sledge hammer! He said it took 20 minutes if light
tapping to get it to the point he could tighten the bolts to get it all
the way in.

Still searching, if I don't find a sure fire way I'm returning the
parts and just taking it in to the shop.

 




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