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  #1  
Old July 20th, 2011, 10:42 PM
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Mike
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Question Rear hub seals

Are there 1 or 2 hub seals per rear hub? (not talk'n 'bout the joint washer)
My LR workshop manual states there are 2 (inner seal and outer seal) per hub but my LR Rave CD states is only 1 seal per hub

This is for a 1995 NAS D90

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  #2  
Old July 20th, 2011, 11:45 PM
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Charles Galpin
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There is just one on the inner side of the hub. But there is an seal inside the stub axle as well. Maybe that's where the confusion lies? You won't see that one unless you pull the stub axle.
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  #3  
Old July 21st, 2011, 08:34 AM
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Question

Well, I guess I am confused.
I am replacing the rear brakes (rotors and pads) and I only have 2 hub seals. Do I need additional seals?
When I pull the half shaft, do I need to replace a seal in the axle tub?
My LR workshop manual indicates 2 seals, 1 adjacent to the outer bearing and 1 between the inner bearing and the locking nuts.
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  #4  
Old July 21st, 2011, 08:41 AM
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Charles Galpin
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First, you don't need to replace the seal in the axle stub if you don't want to. I did it because it's very easy once you have the hubs off and it can't hurt. With the hub off it's a few more bolts and the stub comes off.

But on the hubs, all I have ever seen is a inner seal. If you look at the hub from outside in, you have

half shaft with drive member
locking nut
locking washer
nut
washer and shims
outer bearing
outer bearing race
hub
inner bearing race
inner bearing
inner seal <---- thats you two seals, one for each side.


Quote:
Originally Posted by Grover View Post
Well, I guess I am confused.
I am replacing the rear brakes (rotors and pads) and I only have 2 hub seals. Do I need additional seals?
When I pull the half shaft, do I need to replace a seal in the axle tub?
My LR workshop manual indicates 2 seals, 1 adjacent to the outer bearing and 1 between the inner bearing and the locking nuts.
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Originally Posted by pendy
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  #5  
Old July 21st, 2011, 08:48 AM
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One. Mike, check the video I posted on page 3 here.

http://www.defendersource.com/forum/...ad.php?t=26130

-Josh
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I am talking purely from an aesthetics standpoint.
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  #6  
Old July 21st, 2011, 09:09 AM
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yea its one, I went through this same shit when i was doing my bearings

Make sure if your bearings are beat up to replace them..they are cheap and can be had at any autoparts store they are Timken set #37
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  #7  
Old July 21st, 2011, 09:09 AM
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Question

I thought the rear half shafts had an integral drive member and the shaft had to be pulled out of the axle tube to remove the hub.
Do the rear half shafts have a splined drive member like the front hubs?
If that's the case, there is no need to pull the shaft out, just need to remove the splined drive member...
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  #8  
Old July 21st, 2011, 09:30 AM
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Hi Mike,

Yes, NAS D90's have an integral drive member to the half shaft. The video that Josh recommended show the procedures for Defender with rear drum brakes.

Once you remove the 5 bolts that hold the flange, the whole axle shaft will come out. Then follow the procedures indicated in the video. NAS D90's Front and rear axles have the same parts (bearings, washers, nuts, and seals).

Let me know if you need help with this, I can stop by and guide you through. I have done hub seals, bearings, and rotors more times than I wish I had

Take care,

-Alberto


Quote:
Originally Posted by Grover View Post
I thought the rear half shafts had an integral drive member and the shaft had to be pulled out of the axle tube to remove the hub.
Do the rear half shafts have a splined drive member like the front hubs?
If that's the case, there is no need to pull the shaft out, just need to remove the splined drive member...
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  #9  
Old July 21st, 2011, 09:34 AM
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Quote:
Originally Posted by Alberto_SD View Post
Yes, NAS D90's have an integral drive member to the half shaft. The video that Josh recommended show the procedures for Defender with rear drum brakes.
They did the rears in that video, too? Yeah, don't pay attention to that part. Sorry Mike, thought they did just the fronts and figured you'd see that the 95's fronts and rears are basically the same job.
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  #10  
Old July 21st, 2011, 09:40 AM
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Quote:
Originally Posted by rijosho View Post
They did the rears in that video, too? Yeah, don't pay attention to that part. Sorry Mike, thought they did just the fronts and figured you'd see that the 95's fronts and rears are basically the same job.
Hi Josh,

Yes, the video show both, front and then rears. You are correct that both (front and rears) on NAS D90's are basically the same procedures.

That was a cool video.

Take care,

-Alberto
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  #11  
Old July 21st, 2011, 10:02 AM
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So when I pull the shaft, will I have any troubles lining it back up the differential gears?
So there is a seal in the axle tube? Is it typical to replace this seal when pulling the shaft? By pulling the shaft, will I inevitably damage this seal?
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  #12  
Old July 21st, 2011, 10:16 AM
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The shaft will line up easily. Just support the weight of the shaft as you pull and push back in and you won't damage the seal. People pull shafts all the time without damaging the seal or replacing it.
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  #13  
Old July 21st, 2011, 10:24 AM
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Quote:
Originally Posted by cgalpin View Post
The shaft will line up easily. Just support the weight of the shaft as you pull and push back in and you won't damage the seal. People pull shafts all the time without damaging the seal or replacing it.
x2
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  #14  
Old July 21st, 2011, 11:49 AM
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Thumbs up

Eveyone, thanks for your replies.
I did the fronts with no problems, sounds like the rears won't be so bad...

Cheers...
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